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 MANUALSFORD2010MUSTANG BASE, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS)GENERAL PROCEDURESSPARE KEY PROGRAMMING - UNLIMITED KEY MODEDISABLING UNLIMITED KEY MODE
2010 Ford Mustang Base, 2D Coupe, Automatic
Disabling Unlimited Key Mode
2010 Ford Mustang Base, 2D Coupe, AutomaticSECTION Disabling Unlimited Key Mode
NOTE:
By disabling the unlimited key mode, the previous access code no longer operates the vehicle.
- From the scan tool, enter TOOLBOX. Select BODY-SECURITY-PATS Functions and follow the IDS on-screen instructions to ENTER SECURITY ACCESS. For additional information, refer to ANTI-THEFT SECURITY ACCESS .
- Select: "unlimited key mode OFF" and follow the IDS on-screen instructions.
- Select: "Ignition Key Code Erase" and follow the IDS on-screen instructions.
- Disconnect the scan tool and turn the ignition switch to OFF (the key does not need to be removed at this time).
- Turn the first PATS key to the ON position for 3 seconds (6 seconds if it is an IKT key).
- Turn the first PATS key to the OFF position and remove the key from the ignition lock cylinder.
- Insert the second PATS key into the ignition lock cylinder and turn the key to the ON position for 3 seconds (6 seconds if it is an IKT key).
- Start the vehicle with both PATS keys. The vehicle now starts with both PATS keys.
- If it is desired to program additional key(s), refer to KEY PROGRAMMING USING TWO PROGRAMMED KEYS for each additional key that needs to be programmed. The PID SPAREKEY must be enabled.
NOTE:
With the unlimited key mode turned off, a maximum of 8 keys can be programmed into the IPC
using the KEY PROGRAMMING USING TWO PROGRAMMED KEYS procedure. The IPC
PID SPAREKEY must be enabled.
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.