DTC    U0122/56    Lost Communication with Vehicle Dynamics Control Module

for Preparation Click here


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.

DTC No.
DTC Detecting Condition
Trouble Area
U0122/56
The steering control ECU detects an error in reception (from skid control ECU) in CAN communication.
  1. CAN communication system
  2. Skid control ECU

WIRING DIAGRAM


C111971E02


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 SKID CONTROL ECU