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Home >> Ford >> 2018 >> Expedition Limited, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 308 (Abs Guided Routine Testing) >> Pinpoint Tests >> Pinpoint Test E: The Traction Control System Is Inoperative Or Cannot Be Disabled Using The Message Center >> Possible Causes
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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. E1: VERIFY THE IGNITION KEY IN USE IS NOT RESTRICTED 
    • Ignition ON, engine OFF.
    • Monitor the message center.
    • Does the message center display MYKEY ACTIVE DRIVE SAFELY? 
    Yes No
    The current ignition key is a restricted key and is operating correctly. REPEAT the test step using a different ignition key until the message center does not display MYKEY ACTIVE DRIVE SAFELY.
    Go to  E2.
    Go to  E2.
  2. E2: VERIFY THE MYKEY® TRACTION CONTROL SETTING 
    • Using the message center, verify the MyKey traction control setting.
      • Refer to the Owner's Literature for instructions on setting the MyKey functions.
    • Is the MyKey traction control setting configured to always on? 
    Yes No
    Go to  E3. Go to  E4.
  3. E3: VERIFY TRACTION CONTROL FUNCTION CAN BE DISABLED USING THE ADMIN KEY 
    • Using the message center, verify traction control can be enabled and disabled using the admin ignition.
      • Refer to the Owner's Literature for instructions on enabling and disabling traction control.
    • Can traction control be enabled and disabled using the admin ignition key? 
    Yes No
    The system is operating correctly at this time. The concern may have been caused by the use of a restricted key. INFORM the customer the traction control can only be disabled using an admin key when the MyKey® traction control setting is configured to always on. Go to  E4.
  4. E4: CHECK FOR ABS MODULE DTCS 
    • Carry out the ABS self-test.
    • Are any DTCs present? 
    Yes No
    REFER to the ABS Module DTC Chart. Go to  E5.
  5. E5: CHECK FOR GWM DTCS 
    • Carry out the GWM self-test.
    • Are any DTCs present? 
    Yes No
    DIAGNOSE any GWM DTCs. REFER to MODULE COMMUNICATIONS NETWORK (2 OF 2) . Go to  E7.
  6. E6: CHECK FOR BCM DTCS 
    • Carry out the BdyCM self-test.
    • Are any DTCs present? 
    Yes No
    DIAGNOSE any BCM DTCs. REFER to MULTIFUNCTION ELECTRONIC MODULES . Go to  E7.
  7. E7: CHECK FOR IPC DTCS 
    • Carry out the IPC self-test.
    • Are any DTCs present? 
    Yes No
    DIAGNOSE any IPC DTCs. REFER to INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES (2 OF 2) . The system is operating correctly at this time. The concern may have been caused due to high network traffic or an intermittent fault condition.
    If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.