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Home >> Mitsubishi >> 2017 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Twin Clutch-SPORTRONIC Shift Transmission (TC-SST) - With Diagnostics - Lancer (5 Of 6)) >> Diagnosis < Active Center Differential (ACD) > >> Diagnostic Trouble Code Procedures >> DTC C1617: AWC CAN Main Data System (Data Not Received) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2015 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? 

    1. YES:  Go to  Step 3.
    2. NO:  Repair the CAN bus lines. (Refer to TROUBLESHOOTING ). After repairing the CAN bus line, go to Step 2.
  2. STEP 2. Check whether the DTC is reset. 

    Q: Is DTC No. C1617 set? 

    1. YES:  Go to Step 3.
    2. NO:  This diagnosis is complete.
  3. STEP 3. Scan tool diagnostic trouble code 

    Check if the AWC-related DTC No. U0100, U0101, U0121, U0126, or U0141 is set. (Refer to DIAGNOSTIC TROUBLE CODE TABLE  ).

    Q: Is the DTC set? 

    1. YES:  Perform the relevant troubleshooting.
    2. NO:  Go to Step 4.
  4. STEP 4. Scan tool diagnostic trouble code 

    Q: Is the DTC set? 

    1. YES:  Perform the relevant troubleshooting.
    2. NO:  Go to Step 5.
  5. STEP 5. Check whether the DTC is reset. 

    Q: Is DTC No. C1617 set? 

    1. YES:  Replace the AWC-ECU. (Refer to AWC-ECU ). Then go to Step 6.
    2. NO:  Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
  6. STEP 6. Check whether the DTC is reset. 

    Q: Is DTC No. C1617 set? 

    1. YES:  Return to  Step 1.
    2. NO:  This diagnosis is complete.
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