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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2006 Lincoln Zephyr
Anti-Theft - Pats
2006 Lincoln ZephyrSECTION Anti-Theft - Pats
- Description And Operation
- Diagnosis And Testing
- Anti-Theft - Passive Anti-Theft System (PATS)
- Passive Anti-Theft System (PATS) - Inspection and Verification
- Passive Anti-Theft System (PATS) - Diagnostic Trouble Codes (DTC) Index
- Passive Anti-Theft System (PATS) - Diagnostic Trouble Codes (DTC) Descriptions
- Passive Anti-Theft System (PATS) - Symptom Chart
- Passive Anti-Theft System (PATS) - Pinpoint Tests
- Pinpoint Tests
- Pinpoint Test A: DTC B1213 - Anti-Theft Number Of Programmed Keys Is Below Minimum
- Pinpoint Test B: DTC U2511 - Data Mismatch (Receive Data Does Not Match Expected)
- Pinpoint Test C: B2141 NVM Memory Failure, U1900 CAN Communication Bus Fault and U2510 Invalid Data For Vehicle Security
- Pinpoint Test D: DTCs B1600 The PATS Ignition Key Transponder Signal Is Not Received (Damaged Key Or Non-PATS Key) and B2431 The Transponder Programming Failed
- Pinpoint Test E: DTC B1601 - The Passive Anti-Theft System (PATS) Received An Incorrect Key-Code From The Ignition Key Transponder (Unprogrammed PATS Key)
- Pinpoint Test F: DTC B1602 - Passive Anti-Theft System (PATS) Received Invalid Format Of Key-Code From The PATS Key Transponder (Partial Key Read)
- Pinpoint Test G: DTC B1681 - PATS Transceiver Module Signal is Not Received (Damaged, Not Connected, or Damaged Wiring)
- Pinpoint Test H: DTC B2103 - Antenna Not Connected Or Defective Transceiver
- Pinpoint Test I: The Vehicle Does Not Start - The Anti-Theft Indicator Does Not Prove Out And Flashes Rapidly
- Pinpoint Tests
- General Procedures
- 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.