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 MANUALSFORD2012FOCUS L4-2.0LREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGPASSIVE ANTI-THEFT SYSTEM (PATS) - WITHOUT INTELLIGENT ACCESS (IA)ERASE ALL KEYS AND PROGRAM TWO KEYS
2012 Ford Focus L4-2.0L
Erase All Keys and Program Two Keys
2012 Ford Focus L4-2.0LSECTION Erase All Keys and Program Two Keys
Erase All Keys and Program Two Keys
WARNING: Before beginning any service procedure, REFER to Safety Warnings . Failure to follow this instruction may result in serious personal injury.
General Procedure
NOTE: This procedure erases all programmed ignition keys from the vehicle memory. The vehicle cannot start until a minimum of 2 keys are programmed into the BCM (Body Control Module).
NOTE: Two PATS (Passive Anti-Theft System) keys with the correct mechanical cut must be available to carry out this procedure.
NOTE: This procedure erases all MyKey(R) features on all of the keys that are programmed to the vehicle. All of the keys then operate as normal (admin) keys with no restrictions.
1. Turn the key from the OFF position to the ON position.
2. From the scan tool, enter TOOLBOX. Select Body>Security>PATS Functions and follow the IDS (Integrated Diagnostic System) on-screen instructions to enter PATS (Passive Anti-Theft System) security access.
3. From the scan tool menu select "Ignition Key Code Erase" and follow the IDS (Integrated Diagnostic System) on-screen instructions until the key erase procedure completes. The scan tool then instructs you to program 2 keys to complete the process.
4. Turn the key to the OFF position and disconnect the scan tool (the key does not need to be removed from the ignition at this time).
5. Turn the first PATS (Passive Anti-Theft System) key to the ON position for a minimum of 6 seconds.
6. Turn the first PATS (Passive Anti-Theft System) key to the OFF position and remove the key from the ignition.
7. Insert the second PATS (Passive Anti-Theft System) key into the ignition and turn the key to the ON position for a minimum of 6 seconds.
8. The engine should now start with both PATS (Passive Anti-Theft System) keys.
9. If it is desired to program additional keys, REFER to Key Programming Using Two Programmed Keys Key Programming Using Two Programmed Keys.
1. A total of 8 PATS (Passive Anti-Theft System) keys can be programmed into the BCM (Body Control Module).
RENDER: 1.0x
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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.