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 MANUALSMERCURY1999TRACER LS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 1391 (ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) (HYBRID))
1999 Mercury Tracer LS, 4D Sedan, Standard
Section 1391 (Anti-Theft System - Passive Anti-Theft System (Pats) (Hybrid))
1999 Mercury Tracer LS, 4D Sedan, StandardSECTION Section 1391 (Anti-Theft System - Passive Anti-Theft System (Pats) (Hybrid))
WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnosis And Testing
- Anti-Theft
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- DTC Tables
- Symptom Table
- Pinpoint Tests
- Pinpoint Test A: DTC B10D5:13
- Pinpoint Test B: DTC B10D7:87
- Pinpoint Test C: DTC B10D7:51
- Pinpoint Test D: DTC B10D7:8F
- Pinpoint Test E: DTC B10D9:87
- Pinpoint Test F: The Anti-Theft Indicator Is Always/Never On
- Pinpoint Test G: DTC B10DA:86 or DTC U0101:00
- Pinpoint Test H: The Vehicle Does Not Start
- Pinpoint Test I: DTC B10D7:05
- Anti-Theft
- General Procedures
- Key Programming Using Two Programmed Keys
- Integrated Keyhead Transmitter (IKT) Key Programming Using Diagnostic Equipment
- Key Programming Switch State Control
- Spare Key Programming - Unlimited Key Mode
- Spare Key Programming - Using Diagnostic Equipment
- Anti-Theft Security Access
- 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.