DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message [12/2021 - ]: Procedure

1. Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
2. Clear the DTCs.

   Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Turn the ignition switch to ON.
2. Wait 10 seconds or more.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
5. Check for DTCs.

   Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes 

   Result

   Result	Proceed to
   DTC are not output	A
   U0100-87, U1258-7, U0126-87, U0129-87 or U0140-87 are output	B
   None of the above conditions are met	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

for HV Model:

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ]

for Gasoline Model:

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]

Result: 

C 

GO TO  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 12/2021]  or,  DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 11/2024]