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Possible Causes

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
  1. Q1: CHECK THE COMMUNICATION NETWORK 
    • Ignition ON, engine OFF.
    • Press the Read Vehicle Information button to view the results of the modules communicating on the network.
    • Retrieve the continuous memory DTCs.
    • Does the TCM pass the Network Test? 
    Yes No
    Go to  Q2. DIAGNOSE the scan tool does not communicate with the TCM. REFER to MODULE COMMUNICATIONS NETWORK (2 OF 2) .
  2. Q2: CHECK THE ABS MODULE DTCS 
    • Carry out the ABS self-test.
    • Clear the ABS DTCs.
    • Ignition OFF.
    • Ignition ON, engine OFF.
    • Carry out the ABS self-test.
    • Is DTC U0100:xx or U0402:xx retrieved again? 
    Yes No
    Go to  Q3. The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
  3. Q3: CHECK FOR ABS MODULE DTC U3003:16 AND U3003:17 
    • Review the results from the ABS module self-test.
    • Is DTC U3003:16 or U3003:17 present? 
    Yes No
    For DTC U3003:16, GO to PINPOINT TEST A .
    For DTC U3003:17, GO to PINPOINT TEST F .
    Go to  Q4.
  4. Q4: CHECK FOR DTCS IN THE TCM 
    • Carry out the TCM self-test.
    • Are any DTCs present? 
    Yes No
    DIAGNOSE the TCM DTC. REFER to AUTOMATIC TRANSMISSION - 10R80 (1 OF 2) or AUTOMATIC TRANSMISSION - 10-SPEED AUTOMATIC TRANSMISSION - 10R80 (2 OF 2) . Go to  Q5.
  5. Q5: CHECK FOR DTC U0101:XX, U0402:XX SET IN OTHER MODULES 
    • Retrieve the continuous memory DTCs.
    • Is DTC U0100:xx or U0402:xx set in any module in addition to the ABS module? 
    Yes No
    CHECK OASIS for any applicable Technical Service Bulletins TSBs.
    If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions.
    If no TSBs address this concern, INSTALL a new TCM.
    REFER to Transmission Control Module (TCM) .
    INSTALL a new ABS module.
    CHECK OASIS for any applicable Technical Service Bulletins TSBs.
    If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions.
    If no TSBs address this concern, INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module .
    ORDER a replacement ABS module and INCLUDE the RVC on the form.
    If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.
    When complete, SELECT the "X" in the top right corner to CLOSE this procedure and RETURN to the PTS web site.