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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Combination Meter On-Vehicle Service - With Diagnostics) >> Diagnostic Trouble Code Procedures >> DTC U0230: POWER GATE CAN Timeout >> Diagnosis

DTC U0230: POWER GATE CAN Timeout: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line 
    CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
    1. Connect scan tool (M.U.T.-III). Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) ."
    2. Turn the ignition switch to the "ON" position.
    3. Diagnose the CAN bus line.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the CAN bus line found to be normal? 

    1. YES:  Go to Step 2.
    2. NO:  Repair the CAN bus line (Refer to DIAGNOSIS ).
  2. STEP 2. Using scan tool (M.U.T.-III), read the power liftgate control unit diagnostic trouble code 

    Check if DTC is stored in the power liftgate control unit.

    Q: Is the DTC stored? 

    1. YES:  Troubleshoot the power liftgate control unit. Refer to ELECTRIC TAILGATE TROUBLESHOOTING .
    2. NO:  Go to Step 3.
  3. STEP 3. Using scan tool (M.U.T.-III), read the ETACS diagnostic trouble code. 

    Check if the DTC No. U0230 stored in ETACS-ECU.

    Q: Is the DTC stored? 

    1. YES:  Go to Step 4.
    2. NO:  Go to  Step 5.
  4. STEP 4. Recheck for diagnostic trouble code. 

    Recheck if the DTC is stored.

    1. Erase the DTC.
    2. Turn the ignition switch to "ON" position.
    3. On completion, check that the DTC is not stored again.

    Q: Is the DTC stored? 

    1. YES:  Replace power liftgate control unit and then go to  Step 6.
    2. NO:  A poor connection, open circuit or other intermittent malfunction is present in the CAN bus lines between the power liftgate control unit and the combination meter (Refer to HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS ).
  5. STEP 5. Recheck for diagnostic trouble code. 

    Recheck if the DTC is stored.

    1. Erase the DTC.
    2. Turn the ignition switch to "ON" position.
    3. On completion, check that the DTC is not stored again.

    Q: Is the DTC stored? 

    1. YES:  Replace combination meter and then go to Step 6.
    2. NO:  A poor connection, open circuit or other intermittent malfunction is present in the CAN bus lines between the power liftgate control unit and the combination meter (Refer to HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS ).
  6. STEP 6. Recheck for diagnostic trouble code. 

    Recheck if the DTC is stored.

    1. Erase the DTC.
    2. Turn the ignition switch to "ON" position.
    3. On completion, check that the DTC is not stored again.

    Q: Is the DTC stored? 

    1. YES:  Go to  Step 1.
    2. NO:  The procedure is complete.
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