LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mitsubishi >> 1987 >> Precis Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Manual Transaxle On-Vehicle Service - Lancer Evolution) >> Diagnosis < S-AWC(Super All Wheel Control) > >> Diagnostic Trouble Code Procedures >> DTC U0428: Steering Wheel Sensor Data Error >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Scan tool CAN bus diagnostics 

    Using scan tool MB991958, diagnose the CAN bus lines.

    Q: Is the check result normal? 

    YES  : Go to Step 2.

    NO  : Repair the CAN bus lines. (Refer to TROUBLESHOOTING .)

  2. STEP 2. Scan tool service data 

    Item No.11: Steering wheel sensor (refer to DATA LIST REFERENCE TABLE  .)

    Q: Is the check result normal? 

    YES  : Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)

    NO  : Replace the steering wheel sensor. (Refer to STEERING WHEEL SENSOR .) Then go to Step 3.

  3. STEP 3. Check whether the DTC is reset. 

    Q: Is DTC No. U0428 set? 

    YES  : Replace the AWC-ECU.(Refer to AWC-ECU  .) Then go to Step 4.

    NO  : Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)

  4. STEP 4. Check whether the DTC is reset. 

    Q: Is DTC No. U0428 set? 

    YES  : Return to Step  1.

    NO  : This diagnosis is complete.