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HOMESERVICE MANUALSJEEP2014COMPASS LIMITED, AWD, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGU0114-LOST COMMUNICATION WITH FINAL DRIVE MODULEDIAGNOSTIC TEST
2014 Jeep Compass Limited, AWD, Automatic CVT Trans

Diagnostic Test

2014 Jeep Compass Limited, AWD, Automatic CVT TransSECTION Diagnostic Test
  1. VERIFY DTC IS ACTIVE 
    NOTE:

    Verify the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

    1. With the scan tool, read active DTCs.

      Is this DTC active?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS 
    1. With the scan tool, read all active DTCs from all modules.
      NOTE:

      Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.

      Does the scan tool display any active DTCs to the conditions listed above?

      Yes 

      • Go to the DTC INDEX and perform the appropriate diagnostic procedure.

      No 

      • Go To  3
  3. VERIFY THAT THE TIPM IS ACTIVE ON THE BUS 
    1. Turn the ignition on.
    2. With the scan tool, select Network Diagnostics.
    3. Verify that the FDCM is active on the bus.

      Is the FDCM active on the bus?

      Yes 

      • Go To  4

      No 

  4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS 
    1. With the scan tool, select Network Diagnostics.

      Is there more than one module with active DTCs "Logged Against" the FDCM?

      Yes 

      • Replace/update the Final Drive Control Module (FDCM) in accordance with the service information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Replace the Anti-lock Brake Module in accordance with the service information
      • Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.