Power Steering System

POWER STEERING: POWER STEERING SYSTEM: U0100,U0129,U0130: Lost Communication with ECM / PCM "A"
U0130 - Lost Communication with VGRS

DESCRIPTION

The power steering ECU assembly receives signals from the ECM and skid control ECU and steering control ECU via CAN communication.





HINT
* When two or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.
* If the power steering ECU assembly detects DTC U0129 only, it adjusts the amount of power assistance for a speed of 100 km/h (62 mph) and continues system control.
WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Using the Techstream, check for DTCs.

NEXT -- GO TO CAN COMMUNICATION SYSTEM TROUBLESHOOTING