Variable Gear Ratio Steering System

STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: U0122/56: Lost Communication with Vehicle Dynamics Control Module

DTC U0122/56 - Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

The steering control ECU receives signals from the skid control ECU via CAN communication.
If the steering control ECU detests 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 SKID CONTROL ECU