Power Steering System

POWER STEERING: POWER STEERING SYSTEM: U0073,U0104,U0129,U0130,U0293: Control Module Communication Bus OFF
U0293 - Lost Communication with HV ECU

DESCRIPTION

The power steering ECU 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.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Using the Techstream, check for DTCs.

NEXT -- GO TO CAN COMMUNICATION SYSTEM TROUBLESHOOTING