Power Steering System
POWER STEERING: POWER STEERING SYSTEM: U0100,U0129: Lost Communication with ECM / PCM "A"
DTC U0100 - Lost Communication with ECM / PCM "A"
DTC U0129 - 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.
INSPECTION PROCEDURE
PROCEDURE
1. RECONFIRM DTC
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs.
OK:
DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM
OK -- CHECK INTERMITTENT PROBLEMS