Variable Gear Ratio Steering System

STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: U0131/56: Lost Communication with Power Steering Control Module

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.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC
(a) Check for DTCs in the CAN communication system Diagnosis System.
Result:






B -- REPAIR CIRCUIT INDICATED BY DTC OUTPUT
A -- REPLACE POWER STEERING ECU