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Home >> Jeep >> 2016 >> Compass Sport SE, 2.0L Eng VIN A >> Repair and Diagnosis >> Brakes >> Traction Control >> (Antilock Brake System (Abs) - Electrical Diagnostics) >> DTC Troubleshooting >> DTC U1503: -Implausible Message Data Length Received From FCM (TIPM) >> Diagnostic Test

Diagnostic Test

CHECK IF TIPM CAN BUS DTCs ARE PRESENT 

  1. With the scan tool, read TIPM DTCs.

    Are there any TIPM CAN BUS DTCs present?

    Yes 

    No 

    • Replace the Anti-Lock Brake Module in accordance with the Service Information.
    • Perform ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .