DTC U0100-211, U0100-530, U0100-784, U0129-220, U0129-222, U0129-527, U0129-528, U0129-529, U0140-146, U1107-436: Lost Communication with ECM/PCM "A"; Lost Communication with ECM/PCM "A"; Lost Communication with ECM/PCM "A"; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Lost Communication with Brake System Control Module; Communication Error from Body ECU to HV ECU; Lost Communication with Power Management Module: Procedure
- CHECK DTC OUTPUT
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Check for DTCs of all systems by following the prompts on the Techstream screen.
HINT:
If DTCs other than CAN communication DTCs are output simultaneously, first repair the CAN communication problem, and then perform troubleshooting for other DTCs.
NEXT → See step 2
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING