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Home >> Lexus >> 2023 >> ES 250 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System (For 12.3 Inch Display) - Diagnostic Codes (2 Of 2) & Symptom Tests >> AUDIO AND VISUAL SYSTEM (for 12.3 Inch Display) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0132-87: Lost Communication with Suspension Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0168-87: Lost Communication with Vehicle Security Control Module Missing Message; DTC U0198-87: Lost Communication with Telematic Control Module "A" Missing Message; DTC U023B-87: Lost Communication with Image Processing Module "B" Missing Message; DTC U0265-87: Lost Communication with Image Processing Sensor A Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1000-49: CAN Register Fixing Internal Electronic Failure; DTC U1110-87: Lost Communication with Clearance Sonar Module [09/2022 - ] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0132-87: Lost Communication with Suspension Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0168-87: Lost Communication with Vehicle Security Control Module Missing Message; DTC U0198-87: Lost Communication with Telematic Control Module "A" Missing Message; DTC U023B-87: Lost Communication with Image Processing Module "B" Missing Message; DTC U0265-87: Lost Communication with Image Processing Sensor A Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1000-49: CAN Register Fixing Internal Electronic Failure; DTC U1110-87: Lost Communication with Clearance Sonar Module [09/2022 - ]: Description

These DTCs are stored when the radio receiver assembly detects a malfunction in the CAN communication circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
U0100-87 Lost Communication With ECM/PCM "A" Missing Message Communication malfunction between radio receiver assembly and Engine/EV ECU for 12 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0129-87 Lost Communication With Brake System Control Module Missing Message Communication malfunction between radio receiver assembly and No. 2 skid control ECU (brake actuator assembly) for 11 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0132-87 Lost Communication with Suspension Control Module "A" Missing Message Vehicle speed is 20 km/h (12 mph) or more and communication malfunction between radio receiver assembly and absorber control ECU for 10 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0140-87 Lost Communication with Body Control Module Missing Message Communication malfunction between radio receiver assembly and main body ECU (multiplex network body ECU) for 11 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Communication malfunction between radio receiver assembly and combination meter assembly for 31 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0164-87 Lost Communication with HVAC Control Module Missing Message Communication malfunction between radio receiver assembly and air conditioning amplifier assembly for 10 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0168-87 Lost Communication with Vehicle Security Control Module Missing Message Communication malfunction between radio receiver assembly and certification ECU (smart key ECU assembly) for 11 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0198-87 Lost Communication with Telematic Control Module "A" Missing Message Communication malfunction between radio receiver assembly and DCM (telematics transceiver) for 3 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U023B-87 Lost Communication with Image Processing Module "B" Missing Message Communication malfunction between radio receiver assembly and parking assist ECU for 12 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0265-87 Lost Communication with Image Processing Sensor A Missing Message Communication malfunction between radio receiver assembly and rear television camera assembly for 12 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message Communication malfunction between radio receiver assembly and hybrid vehicle control ECU for 11 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
U1000-49 CAN Register Fixing Internal Electronic Failure
  • A CAN bus connection malfunction is detected
  • CAN bus off is detected
  • CAN bus connection error
(2 trip detection logic)
  • CAN communication system
  • Radio receiver assembly
 Navigation System B
U1110-87 Lost Communication with Clearance Sonar Module Communication malfunction between radio receiver assembly and clearance warning ECU assembly for 11 seconds or more
(2 trip detection logic)		 CAN communication system Navigation System B
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