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 Ford Five Hundred 2WD V6-3.0L VIN 1FACTORY OEM SERVICE PROCEDURE
Tests AH: LFC 15/DTC C1414 - Incorrect Module Design Level
PINPOINT TEST AH: LFC 15/DTC C1414 - INCORRECT MODULE DESIGN LEVEL
Normal Operation
The RCM monitors the communication condition and circuits of the OCS sensor for an embedded vehicle ID. If the RCM detects an unexpected condition or code from the OCS, it will store diagnostic trouble code (DTC) C1414 in memory and flash lamp fault code (LFC) 15 (or higher priority code if one exists) on the air bag indicator.
Possible Causes
An incorrect vehicle identification code can be caused by:
- damaged wiring, terminals or connectors.
- incorrect OCS system for vehicle.
- incorrect RCM for vehicle.
AH1-AH3:
AH4-AH6:
Normal Operation
The RCM monitors the communication condition and circuits of the OCS sensor for an embedded vehicle ID. If the RCM detects an unexpected condition or code from the OCS, it will store diagnostic trouble code (DTC) C1414 in memory and flash lamp fault code (LFC) 15 (or higher priority code if one exists) on the air bag indicator.
Possible Causes
An incorrect vehicle identification code can be caused by:
- damaged wiring, terminals or connectors.
- incorrect OCS system for vehicle.
- incorrect RCM for vehicle.
Factory Service Tools
Use the Manual With the Right Hardware
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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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