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 MANUALSLINCOLN2006NAVIGATOR 4WD V8-5.4L VIN 5REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULESERVICE AND REPAIRVEHICLE SECURITY MODULE
2006 Lincoln Navigator 4WD V8-5.4L VIN 5
Vehicle Security Module
2006 Lincoln Navigator 4WD V8-5.4L VIN 5SECTION Vehicle Security Module
VEHICLE SECURITY MODULE

Removal
CAUTION: The steps included in the vehicle security module removal and installation procedure are critical to restoring the vehicle security and tire pressure monitoring systems to normal operation. A new vehicle security module is delivered in manufacturing mode with 6 pre-set diagnostic trouble codes (DTCs) related to the tire pressure monitoring system (TPMS). The presence of these DTCs requires the installation procedures be followed in order to clear the DTCs and enable normal vehicle security module operations.
1. NOTE: Prior to the removal of the vehicle security module, it is necessary to upload the module configuration information to the diagnostic tool. This information must be downloaded to the new vehicle security module after installation.
Disconnect the battery.
2. Remove the pin-type retainer and the RH A-pillar lower trim panel.
3. Remove the glove compartment.
4. Disconnect the 3 electrical connectors.
5. Remove the 2 screws and the vehicle security module.
Installation
1. Position the vehicle security module and install the 2 screws.
- Tighten the screws to 6 Nm (53 lb-in).
2. Connect the 3 electrical connectors.
3. Position the RH A-pillar lower trim panel and install the pin-type retainer.
4. Install the glove compartment
5. Connect the battery.
6. NOTE: When successful, this step provides the calibration necessary for vehicle security module operation and clears DTC B2477. The clearing of the DTC indicates the calibration data has been successfully downloaded to the vehicle security module.
Download the vehicle security module configuration information from the diagnostic tool to the vehicle security module.
7. NOTE: When successful, this step clears DTCs B2868, B2869, B2870 and B2871. The clearing of these DTCs indicates the vehicle security module has recognized the tire pressure sensors during the training procedure.
Train the tire pressure sensors.
8. Clear the DTCs.
9. NOTE:
- DTC C2780 will not clear if any other DTCs are present in the vehicle security module.
- This step is required to clear DTC C2780, allow the vehicle security module to exit the manufacturing mode, and to be sure there are no other concerns with the newly programmed vehicle security module.
Carry out the vehicle security module on-demand self-test.
Removal
CAUTION: The steps included in the vehicle security module removal and installation procedure are critical to restoring the vehicle security and tire pressure monitoring systems to normal operation. A new vehicle security module is delivered in manufacturing mode with 6 pre-set diagnostic trouble codes (DTCs) related to the tire pressure monitoring system (TPMS). The presence of these DTCs requires the installation procedures be followed in order to clear the DTCs and enable normal vehicle security module operations.
1. NOTE: Prior to the removal of the vehicle security module, it is necessary to upload the module configuration information to the diagnostic tool. This information must be downloaded to the new vehicle security module after installation.
Disconnect the battery.
2. Remove the pin-type retainer and the RH A-pillar lower trim panel.
3. Remove the glove compartment.
4. Disconnect the 3 electrical connectors.
5. Remove the 2 screws and the vehicle security module.
Installation
1. Position the vehicle security module and install the 2 screws.
- Tighten the screws to 6 Nm (53 lb-in).
2. Connect the 3 electrical connectors.
3. Position the RH A-pillar lower trim panel and install the pin-type retainer.
4. Install the glove compartment
5. Connect the battery.
6. NOTE: When successful, this step provides the calibration necessary for vehicle security module operation and clears DTC B2477. The clearing of the DTC indicates the calibration data has been successfully downloaded to the vehicle security module.
Download the vehicle security module configuration information from the diagnostic tool to the vehicle security module.
7. NOTE: When successful, this step clears DTCs B2868, B2869, B2870 and B2871. The clearing of these DTCs indicates the vehicle security module has recognized the tire pressure sensors during the training procedure.
Train the tire pressure sensors.
8. Clear the DTCs.
9. NOTE:
- DTC C2780 will not clear if any other DTCs are present in the vehicle security module.
- This step is required to clear DTC C2780, allow the vehicle security module to exit the manufacturing mode, and to be sure there are no other concerns with the newly programmed vehicle security module.
Carry out the vehicle security module on-demand self-test.
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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.