DTC 93

POWER STEERING: POWER STEERING SYSTEM: U0100/92,U0129/93: 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 Reading and Clearing Diagnostic Trouble Codes.
(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