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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1171 (Anti-Lock Brake System Component Testing) >> Pinpoint Tests >> Pinpoint Tests AK: Calibration Fault Between The ABS Module And The HCU >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
  1. AK1: CARRY OUT THE ABS MODULE/HCU CALIBRATION 
    • Ignition ON, engine OFF.
    • Using a diagnostic scan tool, carry out the Inlet Valve Calibration and then the Master Cylinder Isolation Calibration.
    • Clear the ABS DTCs.
    • Ignition OFF.
    • Ignition ON, engine OFF.
    • Carry out the ABS self-test.
    • Is DTC B10DF:46 still present? 
      Yes No
      Go to  AK2. The systems is operating correctly. The concern was caused by an incomplete calibration.
  2. AK2: CHECK FOR CORRECT ABS MODULE OPERATION 
    • Ignition OFF.
    • Ignition ON, engine OFF.
    • Using a diagnostic scan tool, carry out the Inlet Valve Calibration and then the Master Cylinder Isolation Calibration.
    • Carry out the ABS self-test.
    • Is DTC B10DF:46 still present? 
      Yes No
      INSTALL a new ABS module.
      CHECK OASIS for any applicable 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 ABS module. REFER to Anti-Lock Brake System (ABS) And Stability Control .
      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.      		 The systems is operating correctly. The concern was caused by an incomplete calibration.
      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.
  3. AK3: CHECK FOR CORRECT ABS OPERATION 
    • Ignition OFF.
    • Ignition ON, engine OFF.
    • Using a diagnostic scan tool, carry out the Inlet Valve Calibration and then the Master Cylinder Isolation Calibration.
    • Carry out the ABS self-test.
    • Is DTC B10DF:46 still present? 
      Yes No
      INSTALL a new ABS module.
      CHECK OASIS for any applicable 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 ABS module and HCU assembly. REFER to Anti-Lock Brake System (ABS) And Stability Control .
      ORDER a replacement ABS module and HCU assembly. 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.      		 The systems is operating correctly. The concern was caused by an incomplete calibration.
      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.
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