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.
2005 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Vehicle Security Module DTCS
VEHICLE SECURITY MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU Defective | Vehicle Security Module | Refer to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
| B1695 | Autolamp On Circuit Failure | Vehicle Security Module | GO to PINPOINT TEST F . |
| B1792 | Autolamp Sensor Input Circuit Short To Battery And Open | Vehicle Security Module | GO to PINPOINT TEST F . |
| B1793 | Autolamp Sensor Input Circuit Short To Ground | Vehicle Security Module | GO to PINPOINT TEST I . |
| B2661 | Parklamp Relay Output Short To VBatt | Vehicle Security Module | If the parking lamps are on continuously, GO to PINPOINT TEST P . If the parking lamps are not on continuously, INSTALL a new vehicle security module. REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
| B2662 | Parklamp Relay Output Open Circuit | Vehicle Security Module | GO to PINPOINT TEST N . |
| B2263 | Headlamp Relay Output Short To VBatt | Vehicle Security Module | If the headlamps are on continuously, GO to PINPOINT TEST D . If the headlamps are not on continuously, INSTALL a new vehicle security module. REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
| B2664 | Headlamp Relay Output Open Circuit Or Short To VBatt | Vehicle Security Module | GO to PINPOINT TEST G . |
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.