Power Steering System

POWER STEERING: POWER STEERING SYSTEM: U0100/92: Lost Communication with ECM/PCM "A"

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 via the CAN communication system.





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

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC
(a) Clear the DTCs.
(b) Check for DTCs.
OK:
DTC U0100/92 and/or U0129/93 is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM
OK -- CHECK FOR INTERMITTENT PROBLEMS