POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0122, U0416

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0122 Lost Communication with Vehicle Dynamics Control Module
U0416 Invalid Data Received from Vehicle Dynamics Control Module

DESCRIPTION

The power steering ECU assembly receives signals from the ECM and skid control ECU (brake actuator assembly) via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 Lost communication with the ECM/PCM "A"

  • CAN communication system

  • ECM
U0122 Lost communication with the brake system control module

  • CAN communication system

  • Skid control ECU (Brake actuator assembly)
U0416 The brake system control module signal malfunction

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Clear the DTC(s) Click here.

    2. Check for DTCs Click here.

      OK
      DTC is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here