2018 Ford Expedition MAX SSV, 4WDFACTORY OEM SERVICE PROCEDURE

Possible Causes

  • A MyKey® restricted key is in use
  • Network communication concern
  • Message center concern
  • IPC concern
  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 
  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 article. Go to  E6.
  6. E6: CHECK FOR BCM DTCS 
    • Carry out the BCM self-test.
    • Are any DTCs present? 
      Yes No
      DIAGNOSE any BCM DTCs. Refer to Multifunction Electronic Modules article 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 article. The system is operating correctly at this time. The concern may have been caused due to high network traffic or an intermittent fault condition.
Factory Service Tools

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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.

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