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.
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HOMESERVICE MANUALSFORD1999TAURUS V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSSERVICE AND REPAIRKEY PROGRAMMINGPROGRAM A KEY USING TWO PROGRAMMED KEYS
1999 Ford Taurus V6-3.0L DOHC VIN S
Program A Key Using Two Programmed Keys
1999 Ford Taurus V6-3.0L DOHC VIN SSECTION Program A Key Using Two Programmed Keys
NOTE:
- This procedure only works if two or more programmed ignition keys are available and it is desired to program additional key(s). If two keys are not available, follow Key Programming - Erase All Key Codes and Program Two Keys.
- PID SPAREKY must be enabled for this procedure to operate. If this PID is not enabled, then follow the Security Access Procedure, then select Spare Key Programming Switch: Enabled.
- If the programming procedure is successful, the new key(s) will start the vehicle and the THEFT INDICATOR will illuminate for approximately 3 seconds.
- If the programming procedure is not successful, the new key(s) will not start the vehicle and the THEFT INDICATOR will flash. If the programming procedure was not successful, repeat the Key Programming procedure from Step 1. If the failure repeats, check circuit 1001 (W/Y) (hot at all time) in PATS module for proper battery voltage. Repair circuit if voltage is not present. Refer to Diagnosis and Testing to review DTCs and perform Pinpoint Tests.
- A maximum of 8 ignition keys can be programmed to a Passive Anti-Theft System (PATS) equipped vehicle. Use PID NUMKEYS to determine how many keys are programmed to vehicle.
- If the steps are not performed as outlined, the programming procedure will end.
- Ignition keys must have correct mechanical key cut for the vehicle and must be a PATS encoded key.
1. Insert first programmed ignition key into ignition lock cylinder and turn ignition switch from OFF to RUN (maintain ignition switch in RUN for 1 second).
2. Turn ignition switch to OFF and remove first key from ignition lock cylinder.
3. Within 5 seconds of turning the ignition switch to OFF, insert the second programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain ignition switch in RUN for 1 second).
4. Turn ignition switch to OFF and remove second key from ignition lock cylinder.
5. Within 10 seconds of turning the ignition lock cylinder to OFF, insert the unprogrammed ignition key (new key) into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain ignition switch in RUN for 1 second).
6. If it is desired to program additional key(s), repeat the Key Programming Procedure from the beginning.
- This procedure only works if two or more programmed ignition keys are available and it is desired to program additional key(s). If two keys are not available, follow Key Programming - Erase All Key Codes and Program Two Keys.
- PID SPAREKY must be enabled for this procedure to operate. If this PID is not enabled, then follow the Security Access Procedure, then select Spare Key Programming Switch: Enabled.
- If the programming procedure is successful, the new key(s) will start the vehicle and the THEFT INDICATOR will illuminate for approximately 3 seconds.
- If the programming procedure is not successful, the new key(s) will not start the vehicle and the THEFT INDICATOR will flash. If the programming procedure was not successful, repeat the Key Programming procedure from Step 1. If the failure repeats, check circuit 1001 (W/Y) (hot at all time) in PATS module for proper battery voltage. Repair circuit if voltage is not present. Refer to Diagnosis and Testing to review DTCs and perform Pinpoint Tests.
- A maximum of 8 ignition keys can be programmed to a Passive Anti-Theft System (PATS) equipped vehicle. Use PID NUMKEYS to determine how many keys are programmed to vehicle.
- If the steps are not performed as outlined, the programming procedure will end.
- Ignition keys must have correct mechanical key cut for the vehicle and must be a PATS encoded key.
1. Insert first programmed ignition key into ignition lock cylinder and turn ignition switch from OFF to RUN (maintain ignition switch in RUN for 1 second).
2. Turn ignition switch to OFF and remove first key from ignition lock cylinder.
3. Within 5 seconds of turning the ignition switch to OFF, insert the second programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain ignition switch in RUN for 1 second).
4. Turn ignition switch to OFF and remove second key from ignition lock cylinder.
5. Within 10 seconds of turning the ignition lock cylinder to OFF, insert the unprogrammed ignition key (new key) into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain ignition switch in RUN for 1 second).
6. If it is desired to program additional key(s), repeat the Key Programming Procedure from the beginning.
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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.