Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Ford Explorer ChassisFACTORY OEM SERVICE PROCEDURE
Key Programming - Without Programmed Keys
NOTE:
This procedure is used when a customer needs keys programmed into system and does not have 2 programmed ignition keys available, or when programmed ignition keys have been lost and/or ignition switch assembly has been replaced. This procedure will erase all programmed ignition keys from memory and prevent vehicle from starting until 2 keys have been programmed. Ignition keys must have correct mechanical key cut for vehicle and must be an encoded key. If additional key(s) are to be programmed, perform KEY PROGRAMMING - WITH PROGRAMMED KEYS
. If remaining keys are with customer and not with vehicle, instruct customer to see owner's manual to program spare key(s).
- Turn ignition switch from OFF position to ON position. With NGS tester connected to vehicle, enter function test menu. Select SECURITY ACCESS PROCEDURE. This procedure will take 10 minutes to perform. After the security access procedure has been completed, a new menu will be displayed with command options. Select IGNITION KEY CODE ERASE.
- Turn ignition off and disconnect NGS tester. Insert first encoded ignition key into ignition lock cylinder. Turn ignition switch to ON position for 3 seconds. Turn ignition switch to LOCK position and remove first encoded key.
- Insert second encoded ignition key into ignition lock cylinder. Turn ignition switch to RUN position for 3 seconds. Turn ignition switch to LOCK position and remove second encoded key. Both encoded ignition keys should now start vehicle.
Factory Service Tools
Use the Manual With the Right Hardware
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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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