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 DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSTESTING AND INSPECTIONPINPOINT TESTSTEST Q: LFC 15/DTC C1414 - INCORRECT VEHICLE ID
2006 Lincoln Navigator 4WD V8-5.4L VIN 5
Test Q: LFC 15/DTC C1414 - Incorrect Vehicle ID
2006 Lincoln Navigator 4WD V8-5.4L VIN 5SECTION Test Q: LFC 15/DTC C1414 - Incorrect Vehicle ID
PINPOINT TEST Q: LFC 15/DTC C1414 - INCORRECT VEHICLE ID
Normal Operation
The restraint control module (RCM) monitors the electrical condition at C310a pins 20 and 21 to detect the vehicle identification code. The RCM compares the pin state with a preprogrammed code. If the RCM detects an unexpected condition at either of these pins, it will store diagnostic trouble code (DTC) C1414 in memory and flash lamp fault code (LFC) 15 (or higher priority code if 1 exists) on the air bag indicator.
Possible Causes
An incorrect vehicle identification code can be caused by:
- incorrect RCM for vehicle.
- wiring concern at RCM C310a pins 20 or 21.
- a faulted RCM.
Q1-Q3:
Q3-Q6:
Q7:
Normal Operation
The restraint control module (RCM) monitors the electrical condition at C310a pins 20 and 21 to detect the vehicle identification code. The RCM compares the pin state with a preprogrammed code. If the RCM detects an unexpected condition at either of these pins, it will store diagnostic trouble code (DTC) C1414 in memory and flash lamp fault code (LFC) 15 (or higher priority code if 1 exists) on the air bag indicator.
Possible Causes
An incorrect vehicle identification code can be caused by:
- incorrect RCM for vehicle.
- wiring concern at RCM C310a pins 20 or 21.
- a faulted RCM.
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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.