DTC    U0100/92    Lost Communication with ECM/PCM "A"

DTC    U0129/93    Lost Communication with Brake System Control Module


DESCRIPTION

The power steering ECU receives signals from the ECM and the skid control ECU (ABS ECU) via the CAN communication system.

DTC No.
DTC Detection Condition
Trouble Area
U0100/92
ECM communication error
  1. CAN communication system
  2. ECM
U0129/93
Skid control ECU (ABS ECU) communication error
  1. CAN communication system
  2. Skid control ECU (ABS ECU)

HINT:
When two or more DTCs starting with [U] are output simultaneously, inspect the connectors and wire harness of each ECU.

INSPECTION PROCEDURE

1.CONFIRM DTC
  1. Check for DTCs (Click here ).

    OK:
    DTCs other than U0100/92 and U0129/93 are not output.


NG
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS (Click here)
OK

GO TO CAN COMMUNICATION SYSTEM (Click here)