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Home >> Jeep >> 2012 >> Compass Limited, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 294 (Transmission Control Module (TCM) - DTCS P0219 To P1D93 - 8HP45 Automatic Transmission) >> Diagnosis And Testing >> P1D20-Multi Module Handshake Failure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2012 Dodge Charger. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY DTC IS ACTIVE 
    NOTE:

    For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

    1. Turn the ignition ON.
    2. With the scan tool, read active DTCs.

      Is DTC U0101 and/or U11C3 active?

      Yes 

      • Refer to  DIAGNOSIS AND TESTING  and perform the U0002-CAN C BUS Off Performance diagnostic procedure.

      No 

      • Refer to  DIAGNOSIS AND TESTING  and perform the Stored Lost Communication DTCs diagnostic procedure.