DTC Table By Ecu

HINT: 

• In the CAN communication system, the CAN communication DTCs of each ECU can be displayed using the Techstream.
• If CAN communication system DTCs are output, the malfunction cannot be determined only by the DTCs. Perform troubleshooting according to How to Proceed with Troubleshooting.

  Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2016 - 09/2018]

• If there is a malfunction currently, DTCs can be checked by performing steps in the DTC check procedure.

1. ECM (for 2GR-FSE) / Techstream Display "Engine"

   Powertrain > Engine > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *: Refer to SFI System.

     Refer to DTC U0101: Lost Communication with TCM [04/2013 - 10/2017]

   ECM / TECHSTREAM DISPLAY "ENGINE"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0101*	Lost Communication with TCM	The ECM does not receive data from the TCM for 1.25 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the engine switch on (IG) and wait at least 2.25 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.

2. TCM (for 2GR-FSE) / Techstream Display "ECT"

   Powertrain > ECT > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *: Refer to (AA81E) Automatic Transmission System.

     Refer to DTC U0100: Lost Communication with ECM / PCM "A" [04/2013 - 10/2017]

   TCM / TECHSTREAM DISPLAY "ECT"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100*	Lost Communication with ECM / PCM "A"	The TCM does not receive data from the ECM for 1.25 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the engine switch on (IG) and wait at least 2.25 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.

3. ECM (for 8AR-FTS) / Techstream Display "Engine"

   Powertrain > Engine > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *: Refer to SFI System.

     Refer to DTC U0101-87: Lost Communication with TCM Missing Message [08/2015 - 09/2022]

   ECM / TECHSTREAM DISPLAY "ENGINE"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0101-87*	Lost Communication with TCM	Inside the ECM, the engine control ECU does not receive data from the transmission control ECU for 1.25 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the engine switch on (IG) and wait at least 2.25 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.
   U1104-87	Lost Communication with Driving Support ECU	The ECM does not receive data from the driving support ECU assembly for 0.92 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. The dynamic radar cruise control system (vehicle control mode) is operating. Vehicle speed is 40 km/h (25 mph) or more.	Drive the vehicle at a speed of 40 km/h (25 mph) or more with the cruise control main switch on and operate the dynamic radar cruise control system for 1.92 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

4. ECM (for 8AR-FTS) / Techstream Display "Transmission"

   Powertrain > Transmission > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *: Refer to AA81E Automatic Transmission System.

     Refer to DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message [08/2015 - 09/2018]

   ECM / TECHSTREAM DISPLAY "TRANSMISSION"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100-87*	Lost Communication with ECM / PCM	Inside the ECM, the transmission control ECU does not receive data from the engine control ECU for 1.25 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the engine switch on (IG) and wait at least 2.25 seconds.	MIL illuminates.	DTC is stored until it is cleared using the Techstream.

5. Skid Control ECU (Brake Actuator Assembly) / Techstream Display "ABS/VSC/TRAC"

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) / TECHSTREAM DISPLAY "ABS/VSC/TRAC"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0073	Control Module Communication Bus OFF	One of the following conditions is met: Delayed reception of data from the steering sensor and yaw rate sensor continues for 1 second or more. The following condition occurs 10 times or more within 60 seconds: Delayed reception of data from the steering sensor and yaw rate sensor occurs once or more within 5 seconds. The following condition occurs 10 times in succession: The skid control ECU (brake actuator assembly) cannot send/receive data (bus off) once or more within 0.1 seconds.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage (+BS terminal voltage) of the skid control ECU (brake actuator assembly) is between 10 and 17.4 V.	Turn the engine switch on (IG) and wait at least 60 seconds.	ABS warning light illuminates. Slip indicator light illuminates. Brake warning light illuminates.	DTC is stored until it is cleared using the Techstream.
   U0100	Lost Communication with ECM / PCM "A"	The skid control ECU (brake actuator assembly) does not receive data from the ECM for 2 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 15 km/h (9 mph) or more. The power source voltage (+BS terminal voltage) of the skid control ECU (brake actuator assembly) is between 10 and 17.4 V.	Turn the engine switch on (IG) and drive the vehicle at a speed of 15 km/h (9 mph) or more for 3 seconds or more. Check that the warning light remains off after turning off following the initial light check.	Slip indicator light illuminates.	DTC is stored until it is cleared using the Techstream.
   U0124	Lost Communication with Lateral Acceleration Sensor Module	Either of the following conditions is met: The skid control ECU (brake actuator assembly) does not receive data from the yaw rate sensor for 1 second or more. The following condition occurs 10 times or more within 60 seconds: The skid control ECU (brake actuator assembly) does not receive data from the yaw rate sensor once or more within 5 seconds.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage (+BS terminal voltage) of the skid control ECU (brake actuator assembly) is between 10 and 17.4 V.	Turn the engine switch on (IG) and wait at least 60 seconds.	ABS warning light illuminates. Slip indicator light illuminates.	DTC is stored until it is cleared using the Techstream.
   U0126	Lost Communication with Steering Angle Sensor Module	Either of the following conditions is met: The skid control ECU (brake actuator assembly) does not receive data from the steering sensor for 1 second or more. The following condition occurs 10 times or more within 60 seconds: The skid control ECU (brake actuator assembly) does not receive data from the steering sensor once or more within 5 seconds.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage (+BS terminal voltage) of the skid control ECU (brake actuator assembly) is between 10 and 17.4 V.	Turn the engine switch on (IG) and wait at least 60 seconds.	Slip indicator light illuminates.	DTC is stored until it is cleared using the Techstream.

6. Power Steering ECU Assembly / Techstream Display "EMPS"

   Chassis > EMPS > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *: w/ AVS System
   POWER STEERING ECU ASSEMBLY / TECHSTREAM DISPLAY "EMPS"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM "A"	The power steering ECU assembly does not receive data from the ECM for 5 minutes or more.	All conditions are met: The engine switch is on (IG) for 3 seconds or more. Vehicle speed is 20 km/h (12 mph) or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Drive the vehicle at a speed of 20 km/h (12 mph) or more for 5 minutes or more.	-	DTC remains stored only while malfunction is occurring.
   U0129	Lost Communication with Brake System Control Module	The power steering ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 2.34 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the engine switch on (IG) and wait at least 5.34 seconds.	EPS warning light illuminates.	DTC remains stored only while malfunction is occurring.
   U0132*	Lost Communication with Ride Level Control Module	The power steering ECU assembly does not receive data from the absorber control ECU for 6.1 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the engine switch on (IG) and wait at least 9.1 seconds.	-	DTC remains stored only while malfunction is occurring.

7. Main Body ECU (Multiplex Network Body ECU) / Techstream Display "Main Body"

   Body Electrical > Main Body > Trouble Codes 

   HINT: 

   • This ECU uses the CAN communication system for DTC communication.
   • *1: for 2GR-FSE Engine
   • *2: for 8AR-FTS Engine
   • *3: w/ Seat Position Memory System
   • *4: w/ Parking Assist Monitor System
   • *5: w/ Power Tilt and Power Telescopic System
   MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) / TECHSTREAM DISPLAY "MAIN BODY"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM "A"	The main body ECU (multiplex network body ECU) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0101	Lost Communication with TCM	The main body ECU (multiplex network body ECU) does not receive data from the TCM for 10 seconds or more.*1 The main body ECU (multiplex network body ECU) does not receive data from the ECM for 10 seconds or more.*2	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0120	Lost Communication with Starter / Generator Control Module	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0129	Lost Communication with Brake System Control Module	The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0151	Lost Communication with Restraints Control Module	The main body ECU (multiplex network body ECU) does not receive data from the airbag sensor assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0182	Lost Communication with AFS	The main body ECU (multiplex network body ECU) does not receive data from the No. 1 headlight ECU sub-assembly LH for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0199*3	Lost Communication with "Door Control Module A"	The main body ECU (multiplex network body ECU) does not receive data from the outer mirror control ECU assembly (for front passenger side) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0200*3	Lost Communication with "Door Control Module B"	The main body ECU (multiplex network body ECU) does not receive data from the outer mirror control ECU assembly (for driver side) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0208*3	Lost Communication with "Seat Control Module A"	The main body ECU (multiplex network body ECU) does not receive data from the front power seat switch LH for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U023A	Lost Communication with Image Processing Module "A"	The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
   U0265*4	Lost Communication with Parking Assist Monitor Module	The main body ECU (multiplex network body ECU) does not receive data from the rear television camera assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0327	Software Incompatibility with Vehicle Security Control Module	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U1002	Lost Communication with Gateway Module (Main body)	The main body ECU (multiplex network body ECU) detects communication errors between itself and the outer mirror control ECU assembly (for front passenger side), outer mirror control ECU assembly (for driver side), front power seat switch, rear television camera assembly and multiplex tilt and telescopic ECU.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U1115*5	Lost Communication with Tilt & Telescopic Module	The main body ECU (multiplex network body ECU) does not receive data from the multiplex tilt and telescopic ECU for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U1117	Lost Communication with Accessory Gateway	The main body ECU (multiplex network body ECU) does not receive data from the option connector (bus buffer ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

8. Certification ECU (Smart Key ECU Assembly) / Techstream Display "Entry&Start"

   Body Electrical > Entry&Start > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) / TECHSTREAM DISPLAY "ENTRY&START"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0142	Lost Communication with Main Body ECU	The certification ECU (smart key ECU assembly) does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Combination Meter	The certification ECU (smart key ECU assembly) does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U1117	Lost Communication with Accessory Gateway	The certification ECU (smart key ECU assembly) does not receive data from the option connector (bus buffer ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

9. Certification ECU (Smart Key ECU Assembly) / Techstream Display "Power Source Control"

   Body Electrical > Power Source Control > Trouble Codes 

   HINT: 

   This ECU uses the CAN communication system for DTC communication.

   CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) / TECHSTREAM DISPLAY "POWER SOURCE CONTROL"
   
   

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 3.1 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the certification ECU (smart key ECU assembly) is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 3.1 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0140	Lost Communication with Main Body ECU	The certification ECU (smart key ECU assembly) does not receive data from the main body ECU (multiplex network body ECU) for 3 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the certification ECU (smart key ECU assembly) is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 3 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U0155	Lost Communication with Combination Meter	The certification ECU (smart key ECU assembly) does not receive data from the combination meter assembly for 3.1 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the certification ECU (smart key ECU assembly) is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 3.1 seconds.	-	DTC is stored until it is cleared using the Techstream.
   U1117	Lost Communication with Accessory Gateway	The certification ECU (smart key ECU assembly) does not receive data from the option connector (bus buffer ECU) for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the certification ECU (smart key ECU assembly) is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.

10. Certification ECU (Smart Key ECU Assembly) / Techstream Display "Starting Control"

    Body Electrical > Starting Control > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) / TECHSTREAM DISPLAY "STARTING CONTROL"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 2 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the certification ECU (smart key ECU assembly) is 10.5 V or more.	Turn the engine switch on (IG) and wait at least 2 seconds.	-	DTC remains stored only while malfunction is occurring.

11. No. 1 Headlight ECU Sub-assembly LH (w/o AFS) / Techstream Display "HL AutoLeveling"

    Body Electrical > HL AutoLeveling > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: for 2GR-FSE Engine
    • *2: for 8AR-FTS Engine
    • *3: The No. 1 headlight ECU sub-assembly LH stores U0242 if an internal error related to the CAN communication system is detected.

      Refer to DTC U0242: Lost Communication With Headlamp Control Module "B" [10/2016 - 09/2020]

    • *4: The No. 1 headlight ECU sub-assembly LH stores U1000 if an internal error related to the CAN communication system is detected.

      Refer to DTC U1000: CAN Communication Failure (Message Registry) [10/2016 - 09/2020]

    NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH / TECHSTREAM DISPLAY "HL AUTOLEVELING"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Control Module Communication Bus OFF	The No. 1 headlight ECU sub-assembly LH does not send/receive data.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0100	Lost Communication with ECM / PCM "A"	The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The No. 1 headlight ECU sub-assembly LH does not receive data from the TCM for 10 seconds or more.*1 The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for 10 seconds or more.*2	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The No. 1 headlight ECU sub-assembly LH does not receive data from the steering sensor for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The No. 1 headlight ECU sub-assembly LH does not receive data from the skid control ECU (brake actuator assembly) for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The No. 1 headlight ECU sub-assembly LH does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The No. 1 headlight ECU sub-assembly LH does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0242*3	Lost Communication With Headlamp Control Module "B"	The No. 1 headlight ECU sub-assembly LH does not receive data from the headlight ECU sub-assembly RH for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the No. 1 headlight ECU sub-assembly LH is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U1000*4	CAN Communication Failure (Message Registry)	When the engine switch is turned on (IG), a CAN communication malfunction is detected.	The engine switch is on (IG).	Turn the engine switch on (IG).	Displays messages on the multi-information display.	DTC remains stored only while malfunction is occurring.

12. DCM (Telematics Transceiver) (w/ Telematics Transceiver (for Lexus Enform Remote Compatible Type)) / Techstream Display "Telematics"

    Body Electrical > Telematics > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    DCM (TELEMATICS TRANSCEIVER) / TECHSTREAM DISPLAY "TELEMATICS"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0142	Lost Communication with Body Control Module "B"	The DCM (telematics transceiver) does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 10 seconds or more. The power source voltage of the DCM (telematics transceiver) is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The DCM (telematics transceiver) does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 10 seconds or more. The power source voltage of the DCM (telematics transceiver) is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0163	Lost Communication with Navigation Control Module	The DCM (telematics transceiver) does not receive data from the radio receiver assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the DCM (telematics transceiver) is 12 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.

13. Air Conditioning Amplifier Assembly / Techstream Display "Air Conditioner"

    Body Electrical > Air Conditioner > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    AIR CONDITIONING AMPLIFIER ASSEMBLY / TECHSTREAM DISPLAY "AIR CONDITIONER"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM	The air conditioning amplifier assembly does not receive data from the ECM for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0131	Lost Communication with Electric Power Steering ECU	The air conditioning amplifier assembly does not receive data from the power steering ECU assembly for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Main Body ECU	The air conditioning amplifier assembly does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0151	Lost Communication with Restraints Control Module	The air conditioning amplifier assembly does not receive data from the airbag sensor assembly for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Combination Meter	The air conditioning amplifier assembly does not receive data from the combination meter assembly for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0163	Lost Communication with Navigation Control Module	The air conditioning amplifier assembly does not receive data from the radio receiver assembly for 5 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.

14. Radio Receiver Assembly / Techstream Display "Navigation System"

    Body Electrical > Navigation System > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: w/ Telematics Transceiver (for Lexus Enform Remote Compatible Type)
    • *2: w/ Blind Spot Monitor System
    • *3: w/ Intuitive Parking Assist System
    • *4: w/ Navigation System
    • *5: w/ Audio and Visual System
    RADIO RECEIVER ASSEMBLY / TECHSTREAM DISPLAY "NAVIGATION SYSTEM"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Sending Malfunction (Navigation to APGS)	The radio receiver assembly does not send/receive data for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0100	Engine ECU Communication	The radio receiver assembly does not receive data from the ECM for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	VSC (ECB) ECU Communication	The radio receiver assembly does not receive data from the skid control ECU (brake actuator assembly) for 4 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0140	Lost Communication with Body Control Module	The radio receiver assembly does not receive data from the main body ECU (multiplex network body ECU) for 3 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 4 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Meter ECU Communication	The radio receiver assembly does not receive data from the combination meter assembly for 30 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 31 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0164	Air Conditioner ECU Communication	The radio receiver assembly does not receive data from the air conditioning amplifier assembly for 6 seconds or more.*4 The radio receiver assembly does not receive data from the air conditioning amplifier assembly for 15 seconds or more.*5	Both conditions are met: The engine switch is on (IG). The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 6 seconds.*4 Turn the engine switch on (IG) and wait at least 15 seconds.*5	-	DTC is stored until it is cleared using the Techstream.
    U0198*1	Lost Communication with Telematic Control Module	The radio receiver assembly does not receive data from the DCM (telematics transceiver) for 3 seconds or more.	Both conditions are met: The engine switch is on (ACC). The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 3 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0233*2	Lost Communication with Blind Spot Monitor Master Module	The radio receiver assembly does not receive data from the blind spot monitor sensor LH for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U1110*3	Clearance Sonar ECU Communication	The radio receiver assembly does not receive data from the clearance warning ECU assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the radio receiver assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the Techstream.

15. Combination Meter Assembly / Techstream Display "Combination Meter"

    Body Electrical > Combination Meter > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: w/o AFS
    • *2: w/ AFS
    COMBINATION METER ASSEMBLY / TECHSTREAM DISPLAY "COMBINATION METER"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The combination meter assembly does not receive data from the ECM for 2 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 2 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The combination meter assembly does not receive data from the skid control ECU (brake actuator assembly) for 3 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 3 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0131	Lost Communication with Power Steering Control Module	The combination meter assembly does not receive data from the power steering ECU assembly for 3 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 3 seconds.	EPS warning light illuminates.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The combination meter assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0151	Lost Communication with Restraints Control Module	The combination meter assembly does not receive data from the airbag sensor assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0163	Lost Communication with Navigation Control Module	The combination meter assembly does not receive data from the radio receiver assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0182	Lost Communication with Lighting Control Module Front	The combination meter assembly does not receive data from the No. 1 headlight ECU sub-assembly LH for 10 seconds or more.*1 The combination meter assembly does not receive data from the headlight swivel ECU assembly for 10 seconds or more.*2	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U023A	Lost Communication with Front Camera Module	The combination meter assembly does not receive data from the forward recognition camera for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104	Lost Communication with Driving Support ECU	The combination meter assembly does not receive data from the driving support ECU assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG). The power source voltage of the combination meter assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.

16. Outer Mirror Control ECU Assembly (for Front Passenger Side with Seat Position Memory System) / Techstream Display "Mirror R"

    Body Electrical > Mirror R > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    OUTER MIRROR CONTROL ECU ASSEMBLY / TECHSTREAM DISPLAY "MIRROR R"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0142	Lost Communication with Body Control Module "B"	The outer mirror control ECU assembly (for front passenger side) does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the outer mirror control ECU assembly (for front passenger side) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

17. Outer Mirror Control ECU Assembly (for Driver Side with Seat Position Memory System) / Techstream Display "Mirror L"

    Body Electrical > Mirror L > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    OUTER MIRROR CONTROL ECU ASSEMBLY / TECHSTREAM DISPLAY "MIRROR L"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0142	Lost Communication with Body Control Module "B"	The outer mirror control ECU assembly (for driver side) does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the outer mirror control ECU assembly (for driver side) is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the Techstream.

18. Multiplex Tilt and Telescopic ECU (w/ Power Tilt and Power Telescopic System) / Techstream Display "Tilt & Telescopic"

    Body Electrical > Tilt&Telescopic > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: w/ Seat Position Memory System
    MULTIPLEX TILT AND TELESCOPIC ECU / TECHSTREAM DISPLAY "TILT & TELESCOPIC"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0142	Lost Communication with Body ECU	The multiplex tilt and telescopic ECU does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the multiplex tilt and telescopic ECU is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC remains stored only while malfunction is occurring.
    U0208*	Lost Communication with D-Seat ECU	The multiplex tilt and telescopic ECU does not receive data from the front power seat switch LH for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the multiplex tilt and telescopic ECU is 10 V or more.	Turn the engine switch on (IG) and wait at least 20 seconds.	-	DTC remains stored only while malfunction is occurring.

19. Driving Support ECU Assembly / Techstream Display "Radar Cruise"

    Powertrain > Radar Cruise > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: Refer to Dynamic Radar Cruise Control System.

      Refer to TERMINALS OF ECU [10/2016 - 10/2017]

    DRIVING SUPPORT ECU ASSEMBLY / TECHSTREAM DISPLAY "RADAR CRUISE"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The driving support ECU assembly does not receive data from the ECM for 0.92 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 1.92 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0125	Lost Communication with Yaw Rate Sensor Module	The driving support ECU assembly does not receive data from the yaw rate sensor for 0.72 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 1.72 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The driving support ECU assembly does not receive data from the steering sensor for 5.04 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 6.04 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The driving support ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 1.08 seconds or more.	All conditions are met: The engine switch is on (IG) for 2 seconds or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 3.08 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0235*	Lost Communication with Cruise Control Front Distance Range Sensor	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 1.6 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 2.6 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104*	Lost Communication with Driving Support ECU	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 0.2 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 36 km/h (22 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for 1.2 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

20. Driving Support ECU Assembly / Techstream Display "Pre-Collision 2"

    Body Electrical > Pre-Collision 2 > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *: Refer to Pre-collision System.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2016 - 10/2017]

    DRIVING SUPPORT ECU ASSEMBLY / TECHSTREAM DISPLAY "PRE-COLLISION 2"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The driving support ECU assembly does not receive data from the ECM for 5.12 seconds or more.	All conditions are met: The engine switch is on (IG) for 3 seconds or more. Vehicle speed is 5 km/h (3 mph) or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Drive the vehicle at a speed of 5 km/h (3 mph) or more for 8.12 seconds or more.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U0125	Lost Communication with Yaw Rate Sensor Module	The driving support ECU assembly does not receive data from the yaw rate sensor for 0.72 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 3.72 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The driving support ECU assembly does not receive data from the steering sensor for 5.04 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 8.04 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The driving support ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 4.92 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 7.92 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U0235*	Lost Communication with Cruise Control Front Distance Range Sensor	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 0.3 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 3.3 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U023A*	Lost Communication with Image Processing Module "A"	The driving support ECU assembly does not receive data from the forward recognition camera for 3 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 6 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U1002*	Lost Communication with Gateway Module	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly and forward recognition camera for 0.5 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 1.5 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.
    U1104*	Lost Communication with Driving Support ECU	Either of the following conditions is met: The millimeter wave radar sensor assembly or forward recognition camera does not receive data from the driving support ECU assembly for 0.224 seconds or more. The skid control ECU (brake actuator assembly) does not receive data from the driving support ECU assembly for 1.456 seconds or more.	Both conditions are met: The engine switch is on (IG) for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 3.456 seconds.	Displays messages on the multi-information display. PCS warning light flashes.	DTC is stored until it is cleared using the Techstream.

21. Absorber Control ECU (w/ AVS System) / Techstream Display "Air suspension"

    Chassis > Air suspension > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: for 2GR-FSE Engine
    • *2: for 8AR-FTS Engine
    ABSORBER CONTROL ECU / TECHSTREAM DISPLAY "AIR SUSPENSION"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The absorber control ECU does not receive data from the ECM for 3 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 30 km/h (19 mph) or more. The power source voltage of the absorber control ECU is 10 V or more.	Drive the vehicle at a speed of 30 km/h (19 mph) or more for 4 seconds or more.	-	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The absorber control ECU does not receive data from the TCM for 6 seconds or more.*1 The absorber control ECU does not receive data from the ECM for 6 seconds or more.*2	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 30 km/h (19 mph) or more. The power source voltage of the absorber control ECU is 10 V or more.	Drive the vehicle at a speed of 30 km/h (19 mph) or more for 7 seconds or more.	-	DTC is stored until it is cleared using the Techstream.
    U0122	Lost Communication with Vehicle Dynamics Control Module	The absorber control ECU does not receive data from the skid control ECU (brake actuator assembly) for 3 seconds or more.	Both conditions are met: The engine switch is on (IG) for 2 seconds or more. The power source voltage of the absorber control ECU is 10 V or more.	Turn the engine switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0124	Lost Communication with Lateral Acceleration Sensor Module	The absorber control ECU does not receive data from the yaw rate sensor for 3 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the absorber control ECU is 10 V or more.	Turn the engine switch on (IG) and wait at least 4 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The absorber control ECU does not receive data from the steering sensor for 3 seconds or more.	Both conditions are met: The engine switch is on (IG) for 5 seconds or more. The power source voltage of the absorber control ECU is 10 V or more.	Turn the engine switch on (IG) and wait at least 8 seconds.	-	DTC is stored until it is cleared using the Techstream.

22. Clearance Warning ECU Assembly (w/ Intuitive Parking Assist System) / Techstream Display "Intuitive P/A"

    Body Electrical > Intuitive P/A > Trouble Codes 

    HINT: 

    • *1: for 2GR-FSE Engine
    • *2: for 8AR-FTS Engine
    CLEARANCE WARNING ECU ASSEMBLY / TECHSTREAM DISPLAY "INTUITIVE P/A"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0101	Lost Communication with TCM	The clearance warning ECU assembly does not receive data from the TCM for 5 seconds or more.*1 The clearance warning ECU assembly does not receive data from the ECM for 5 seconds or more.*2	Both conditions are met: The engine switch is on (IG) for 5 seconds or more. The power source voltage of the clearance warning ECU assembly is 10.2 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The clearance warning ECU assembly does not receive data from the combination meter assembly for 5 seconds or more.	Both conditions are met: The engine switch is on (IG) for 5 seconds or more. The power source voltage of the clearance warning ECU assembly is 10.2 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the Techstream.

23. Blind Spot Monitor Sensor LH (w/ Blind Spot Monitor System) / Techstream Display "Blind Spot Monitor Master"

    Body Electrical > Blind Spot Monitor Master > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: Refer to Blind Spot Monitor System.

      Refer to DTC U0232: Lost Communication with Blind Spot Monitor Slave Module [10/2016 - 09/2020]

    • *2: Refer to Blind Spot Monitor System.

      Refer to DTC U1331: Software Incompatibility with Body Control Module "B" [04/2013 - 09/2020]

    BLIND SPOT MONITOR SENSOR LH / TECHSTREAM DISPLAY "BLIND SPOT MONITOR MASTER"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The blind spot monitor sensor LH does not receive data from the ECM for 10.84 seconds or more.	All conditions are met: The engine switch is on (IG) for 3 seconds or more. Vehicle speed is 5 km/h (3 mph) or more. The power source voltage of the blind spot monitor sensor LH is 10 V or more.	Drive the vehicle at a speed of 5 km/h (3 mph) or more for 13.84 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0125	Lost Communication with Yaw Rate Sensor Module	The blind spot monitor sensor LH does not receive data from the yaw rate sensor for 3.06 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the blind spot monitor sensor LH is 10 V or more.	Turn the engine switch on (IG) and wait at least 6.06 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The blind spot monitor sensor LH does not receive data from the steering sensor for 3.036 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the blind spot monitor sensor LH is 10 V or more.	Turn the engine switch on (IG) and wait at least 6.036 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The blind spot monitor sensor LH does not receive data from the skid control ECU (brake actuator assembly) for 3.15 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the blind spot monitor sensor LH is 10 V or more.	Turn the engine switch on (IG) and wait at least 6.15 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The blind spot monitor sensor LH does not receive data from the main body ECU (multiplex network body ECU) for 10.6 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the blind spot monitor sensor LH is 10 V or more.	Turn the engine switch on (IG) and wait at least 13.6 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0232*1	Lost Communication with Blind Spot Monitor Slave Module	The blind spot monitor sensor LH does not receive data from the blind spot monitor sensor RH for 10.6 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the blind spot monitor sensor LH is 10 V or more.	Turn the engine switch on (IG) and wait at least 13.6 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1331*2	Software Incompatibility with Body Control Module "B"	Destination information of the main body ECU (multiplex network body ECU) and blind spot monitor sensor do not match.	The engine switch is on (IG) for 1 second or more.	Turn the engine switch on (IG) and wait at least 1 second.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

24. Forward Recognition Camera / Techstream Display "LKA/LDA"

    Chassis > LKA/LDA > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: for 2GR-FSE Engine
    • *2: for 8AR-FTS Engine
    • *3: Refer to Lane Departure Alert System (w/ Steering Control).

      Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2016 - 10/2017]

    FORWARD RECOGNITION CAMERA / TECHSTREAM DISPLAY "LKA/LDA"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM/PCM "A"	The forward recognition camera does not receive data from the ECM for 5 seconds or more.	All conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The forward recognition camera does not receive data from the TCM for 5 seconds or more.*1 The forward recognition camera does not receive data from the ECM for 5 seconds or more.*2	All conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0123	Lost Communication with Yaw Rate Sensor Module	The forward recognition camera does not receive data from the yaw rate sensor for 5 seconds or more.	All conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The forward recognition camera does not receive data from the steering sensor for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0131	Lost Communication with Power Steering Control Module	The forward recognition camera does not receive data from the power steering ECU assembly for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The forward recognition camera does not receive data from the combination meter assembly for 50 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 52 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0235*3	Lost Communication with Cruise Control Front Distance Range Sensor	The forward recognition camera does not receive data from the millimeter wave radar sensor assembly for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U023A*3	Lost Communication with Image Processing Module "A"	The forward recognition camera does not receive data from the power steering ECU assembly for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104*3	Lost Communication with Driving Support ECU	The forward recognition camera does not receive data from the driving support ECU assembly for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. LDA main switch is on.	Turn the engine switch on (IG), turn the lane departure alert system on using the LDA main switch on and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

25. Forward Recognition Camera / Techstream Display "Front Recognition Camera"

    Chassis > Front Recognition Camera > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: for 2GR-FSE Engine
    • *2: for 8AR-FTS Engine
    • *3: Refer to Forward Recognition Camera System.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2016 - 09/2020]

    FORWARD RECOGNITION CAMERA / TECHSTREAM DISPLAY "FRONT RECOGNITION CAMERA"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM/PCM "A"	The forward recognition camera does not receive data from the ECM for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more.	Drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The forward recognition camera does not receive data from the TCM for 5 seconds or more.*1 The forward recognition camera does not receive data from the ECM for 5 seconds or more.*2	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more.	Drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0123	Lost Communication with Yaw Rate Sensor Module	The forward recognition camera does not receive data from the yaw rate sensor for 5 seconds or more.	Both conditions are met: The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more. Vehicle speed is 1 km/h (or 1 mph) or more.	Drive the vehicle at a speed of 1 km/h (or 1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The forward recognition camera does not receive data from the skid control ECU (brake actuator assembly) for 5 seconds or more.	The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more.	Turn the engine switch on (IG) and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more.	Turn the engine switch on (IG) and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0235*3	Lost Communication with Cruise Control Front Distance Range Sensor	The forward recognition camera does not receive data from the millimeter wave radar sensor assembly for 5 seconds or more.	The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more.	Turn the engine switch on (IG) and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U1104*3	Lost Communication with Driving Support ECU	The forward recognition camera does not receive data from the driving support ECU assembly for 5 seconds or more.	The power source voltage (IGB terminal voltage) of the forward recognition camera is 10 V or more for 2 seconds or more.	Turn the engine switch on (IG) and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

26. Rear Television Camera Assembly (w/ Parking Assist Monitor System) / Techstream Display "Advanced Parking Guidance/Parking Assist Monitor"

    Chassis > Advanced Parking Guidance/Parking Assist Monitor > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: The rear television camera assembly stores this DTC if an internal error related to the CAN communication system is detected.

      Refer to DTC U1000: CAN Communication Failure (Message Registry) [06/2014 - 09/2020]

    • *2: w/ Intuitive Parking Assist System
    REAR TELEVISION CAMERA ASSEMBLY / TECHSTREAM DISPLAY "ADVANCED PARKING GUIDANCE/PARKING ASSIST MONITOR"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The rear television camera assembly does not receive data from the ECM for 11 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The rear television camera assembly does not receive data from the steering sensor for 11 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The rear television camera assembly does not receive data from the skid control ECU (brake actuator assembly) for 11 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0131	Lost Communication with Power Steering Control Module	The rear television camera assembly does not receive data from the power steering ECU assembly for 11 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0140	Lost Communication with Body Control Module	The rear television camera assembly does not receive data from the main body ECU (multiplex network body ECU) for 11 seconds or more.	Both conditions are met: The engine switch is on (ACC) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0163	Lost Communication with Navigation Control Module	The rear television camera assembly does not receive data from the radio receiver assembly for 11 seconds or more.	Both conditions are met: The engine switch is on (ACC) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0233	Lost Communication with Blind Spot Monitor Master Module	The rear television camera assembly does not receive data from the blind spot monitor sensor LH for 11 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U1000*1	CAN Communication Failure (Message Registry)	When the engine switch is turned on (IG), a CAN communication malfunction is detected.	The engine switch is on (IG).	Turn the engine switch on (IG).	-	DTC remains stored only while malfunction is occurring.
    U1110*2	Lost Communication with Intuitive Parking Assist Module	The rear television camera assembly does not receive data from the clearance warning ECU assembly for 11 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the rear television camera assembly is 5.5 V or more.	Turn the engine switch on (IG) and wait at least 14 seconds.	-	DTC is stored until it is cleared using the Techstream.

27. Headlight Swivel ECU Assembly (w/ AFS) / Techstream Display "AFS"

    Body Electrical > AFS > Trouble Codes 

    HINT: 

    • This ECU uses the CAN communication system for DTC communication.
    • *1: for 2GR-FSE Engine
    • *2: for 8AR-FTS Engine
    • *3: Refer to AFS (Adaptive Front-lighting System)

      Refer to DTC U1000: CAN Communication Failure (Message Registry) [10/2016 - 09/2020]

    HEADLIGHT SWIVEL ECU ASSEMBLY / TECHSTREAM DISPLAY "AFS"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Control Module Communication Bus Off	The headlight swivel ECU assembly does not send/receive data 10 times in succession.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0100	Lost Communication with ECM / PCM "A"	The headlight swivel ECU assembly does not receive data from the ECM for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0101	Lost Communication with TCM	The headlight swivel ECU assembly does not receive data from the TCM for 10 seconds or more.*1 The headlight swivel ECU assembly does not receive data from the ECM for 10 seconds or more.*2	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	The headlight swivel ECU assembly does not receive data from the steering sensor for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The headlight swivel ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 5 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 8 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The headlight swivel ECU assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The headlight swivel ECU assembly does not receive data from the combination meter assembly for 10 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 13 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U1000*3	CAN Communication Failure (Message Registry)	When the engine switch is turned on (IG), a CAN communication malfunction is detected.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the headlight swivel ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 3 seconds.	-	DTC is stored until it is cleared using the Techstream.

28. 4WD ECU Assembly (for AWD) / Techstream Display "Four Wheel Drive"

    Chassis > Four Wheel Drive > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    4WD ECU ASSEMBLY / TECHSTREAM DISPLAY "FOUR WHEEL DRIVE"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Control Module Communication Bus Off	Either of the following conditions is met: The 4WD ECU assembly keeps sending data to an ECU or a sensor for 5 seconds or more because a receive completion signal is not received. The 4WD ECU assembly does not receive data from the skid control ECU (brake actuator assembly) or combination meter assembly for 5 seconds or more.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the 4WD ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 6 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.
    U0100	Lost Communication with ECM / PCM "A"	The 4WD ECU assembly does not receive data from the ECM for 3.5 seconds or more.	All conditions are met: The engine switch is on (IG) for 1 second or more. Vehicle speed is 60 km/h (37 mph) or more. The power source voltage of the 4WD ECU assembly is 10 V or more.	Drive the vehicle at a speed of 60 km/h (37 mph) or more for 3.5 seconds or more.	-	DTC is stored until it is cleared using the Techstream.
    U0126	Lost Communication with Steering Angle Sensor Module	Either of the following conditions is met: The 4WD ECU assembly does not receive data from the steering sensor for 3.5 seconds or more. The following condition occurs 10 times or more within 60 seconds: The 4WD ECU assembly does not receive data from the steering sensor once or more within 5 seconds.	Both conditions are met: The engine switch is on (IG) for 1 second or more. The power source voltage of the 4WD ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 60 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0129	Lost Communication with Brake System Control Module	The 4WD ECU assembly does not receive data from the skid control ECU (brake actuator assembly) for 8 seconds or more.	Both conditions are met: The engine switch is on (IG) for 2 seconds or more. The power source voltage of the 4WD ECU assembly is 10 V or more.	Turn the engine switch on (IG) and wait at least 10 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the Techstream.

29. Stereo Component Equalizer Assembly (w/ ASC System) / Techstream Display "ASC"

    Body Electrical > ASC > Trouble Codes 

    HINT: 

    This ECU uses the CAN communication system for DTC communication.

    STEREO COMPONENT EQUALIZER ASSEMBLY (W/ ASC SYSTEM) / TECHSTREAM DISPLAY "ASC"
    
    

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The stereo component equalizer assembly does not receive data from the ECM for 5.2 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the stereo component equalizer assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 8.2 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0122	Lost Communication with Vehicle Dynamics Control Module	The stereo component equalizer assembly does not receive data from the skid control ECU (brake actuator assembly) for 1.1 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the stereo component equalizer assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 4.1 seconds.	-	DTC is stored until it is cleared using the Techstream.
    U0142	Lost Communication with Body Control Module "B"	The stereo component equalizer assembly does not receive data from the main body ECU (multiplex network body ECU) for 3.1 seconds or more.	Both conditions are met: The engine switch is on (IG) for 3 seconds or more. The power source voltage of the stereo component equalizer assembly is 9.5 V or more.	Turn the engine switch on (IG) and wait at least 6.1 seconds.	-	DTC is stored until it is cleared using the Techstream.

30. Central Gateway ECU (Network Gateway ECU) / Techstream Display "Central Gateway"

    HINT: 

    The central gateway ECU (network gateway ECU) is connected to the CAN communication system, but the central gateway ECU (network gateway ECU) does not store or output CAN communication DTCs.

31. Yaw Rate Sensor / Techstream Display "-"

    HINT: 

    The yaw rate sensor is connected to the CAN communication system, but the yaw rate sensor does not store or output CAN communication DTCs.

32. Steering Sensor / Techstream Display "-"

    HINT: 

    The steering sensor is connected to the CAN communication system, but the steering sensor does not store or output CAN communication DTCs.

33. Front Power Seat Switch LH (w/ Seat Position Memory System) / Techstream Display "Driver Seat"

    HINT: 

    The front power seat switch LH is connected to the CAN communication system, but the front power seat switch LH does not store or output CAN communication DTCs.

34. Millimeter Wave Radar Sensor Assembly / Techstream Display "-"

    HINT: 

    The millimeter wave radar sensor assembly is connected to the CAN communication system, but the millimeter wave radar sensor assembly does not store or output CAN communication DTCs.

35. Airbag Sensor Assembly / Techstream Display "SRS Airbag"

    HINT: 

    The airbag sensor assembly wave radar sensor assembly is connected to the CAN communication system, but the airbag sensor assembly does not store or output CAN communication DTCs.