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 MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 1020 (ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) - (HYBRID))
2007 Ford Focus SES, 4D Sedan, Standard
Section 1020 (Anti-Theft - Passive Anti-Theft System (Pats) - (Hybrid))
2007 Ford Focus SES, 4D Sedan, StandardSECTION Section 1020 (Anti-Theft - Passive Anti-Theft System (Pats) - (Hybrid))
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnostic Tests
- Anti-Theft
- Notes
- Principles of Operation
- Inspection and Verification
- DTC Charts
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: DTC B2103 - Antenna Not Connected
- Pinpoint Test B: DTCs B2009 or U2510 - Security Status Mismatch or CAN - Invalid Data For Vehicle Security
- Pinpoint Test C: DTC B2141 - NVM Configuration Failure
- Pinpoint Test D: DTC B1600 - PATS Ignition Key Transponder Signal Is Not Received
- Pinpoint Test E: DTC B1601 - PATS Received Incorrect Key-Code From Ignition Key Transponder
- Pinpoint Test F: DTC B1602 - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder
- Pinpoint Test G: DTC B1681 - PATS Transceiver Module Signal Is Not Received
- Pinpoint Test H: The Anti-Theft Indicator Is Always/Never On
- Pinpoint Test I: DTC U0101 and U2511 - CAN - Data Mis-Match (Receive Data Does Not Match Expected) & Lost Communication With TCM
- Pinpoint Test J: The Vehicle Does Not Start
- Anti-Theft
- General Procedures
- Anti-Theft Security Access
- Key Programming Switch State Control
- Integrated Keyhead Transmitter (IKT) Key Programming Using Diagnostic Equipment
- Key Programming Using Two Programmed Keys
- Spare Key Programming - Unlimited Key Mode
- Spare Key Programming - Using Diagnostic Equipment
- Passive Anti-Theft System (PATS) Parameter Reset
- Removal And Installation
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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.