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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 472 (ABS GUIDED ROUTINE)PINPOINT TESTSPINPOINT TESTS ZA: TIRE DIAMETER: INVALID/INCOMPATIBLE CONFIGURATIONPOSSIBLE CAUSES
2021 Ford Edge SE, 4WD

Possible Causes

2021 Ford Edge SE, 4WDSECTION Possible Causes
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
  • Network communication concern
  • Incorrect BCM configuration
  1. ZA1: CHECK THE SERVICE HISTORY 
    • Check the service history for recent service actions related to the BCM.
    • Are any recent service actions with the BCM indicated? 
    Yes No
    Go to  ZA3. Go to  ZA2.
  2. ZA2: CHECK FOR COMMUNICATION DTCS 
    • Ignition ON, engine OFF.

      Carry out the ABS self-test.

    • Are any lost communication or invalid data DTCs present in the ABS module? 
    Yes No
    DIAGNOSE these DTCs before diagnosing DTC C0078:xx. REFER to the ABS Module DTC Chart. Go to  ZA4.
  3. ZA3: CONFIGURE THE BCM MODULE 
    • Ignition ON, engine OFF.
    • Carry out the programming procedure as directed by the diagnostic scan tool.
    • Clear the ABS DTCs.
    • Ignition OFF.
    • Ignition ON, engine OFF.

      Carry out the ABS self-test.

    • Is the DTC still present? 
    Yes No
    Go to  ZA4. The system is operating correctly. The concern was caused by an incomplete or improper programming session.
  4. ZA4: CHECK FOR CORRECT BCM MODULE OPERATION 
    • Ignition OFF.
    • Disconnect all BCM electrical connectors.
    • Using a good light source, inspect all electrical connectors for the following:
      • corrosion - install new connector or terminal and clean the module pins
      • damaged or bent pins - install new terminals or pins
      • pushed-out pins - install new pins as necessary
      • spread terminals - install new terminals as necessary
    • Connect all BCM electrical connectors. Make sure the connectors seat and latch correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    Yes No
    INSTALL a new BCM.
    CHECK OASIS for any service articles: TSB, GSB, SSM or FSA.
    If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions.
    If no service articles address this concern, INSTALL a new BCM. REFER to the Multifunction Electronic Modules article.
    ORDER a replacement BCM and INCLUDE the RVC on the form.
    If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.    		 The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
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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.