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DTC U0141: ETACS 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? 

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

    Check again if the DTC is stored in the ETACS-ECU.

    Q: Is the DTC stored? 

  3. STEP 3. Using scan tool (M.U.T.-III), read the A/C diagnostic trouble code. 

    Check if the DTC No. U0141 stored in A/C-ECU.

    Q: Is the DTC stored? 

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

    Check again if the DTC is stored in the radio and CD player.

    1. Erase the DTC.
    2. Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
    3. Check if the DTC is stored.

    Q: Is the DTC stored? 

    • YES:  Replace the ETACS-ECU. (Refer to ETACS-ECU .)
    • NO:  A poor connection, open circuit or other intermittent malfunction in the CAN bus line between the radio and CD player and the ETACS-ECU. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)
  5. STEP 5. Recheck for diagnostic trouble code. 

    Check again if the DTC is stored in the radio and CD player.

    1. Erase the DTC.
    2. Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
    3. Check if DTC is stored.

    Q: Is the DTC stored? 

    • YES:  Replace the radio and CD player.
    • NO:  A poor connection, open circuit or other intermittent malfunction in the CAN bus line between the radio and CD player and the ETACS-ECU. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)
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