Dtc U0131/56 Lost Communication With Power Steering Control Module

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

DTC U0131/56 Lost Communication with Power Steering Control Module


DESCRIPTION

The steering control ECU receives signals from the power steering ECU via CAN communication.
If the steering control ECU detects an error in reception, it will output this DTC.

DTC No.
DTC Detecting Condition
Trouble Area
U0123/56
The steering control ECU detects an error in reception (from power steering ECU) in CAN communication.
  1. CAN communication system
  2. Power steering ECU

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc U0131/56 Lost Communication With Power Steering Control Module


INSPECTION PROCEDURE

1.CHECK DTC

  1. Check for DTCs in the CAN communication system (Click here).

    Result:

    Result
    		Proceed to
    DTC is not output.
    		A
    DTC is output.
    		B


B
REPAIR CIRCUIT INDICATED BY DTC OUTPUT
A

REPLACE POWER STEERING ECU