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.
1999 Mercury Tracer LS, 4D Sedan, StandardFACTORY OEM SERVICE PROCEDURE
Remote Keyless Entry Systems
- Description & Operation
- Programming
- Trouble Shooting
- System Tests
- Notes
- Test A: All Door Locks Are Inoperative (Driver's Door Only Remote System)
- Test B: All Door Locks Are Inoperative Using Remote Transmitter-All Door Remote System
- Test C: Luggage Compartment Door Is Inoperative Using Remote Transmitter And Luggage Compartment Door Release Switch
- Test D: No Communication With Rap Module
- Test E: DTC 2425
- Test F: Horn Chirp Is Inoperative In Program Mode (On Vehicles Sold In MEXICO)
- Test G: Single Door Lock Is Inoperative (Driver's Door Only Remote System)
- Component Tests
- Self-Diagnostic System
- Diagnostic Tests
- Removal & Installation
- Wiring Diagrams
Factory Service Tools
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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.
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