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 ThunderbirdFACTORY OEM SERVICE PROCEDURE
Steering System DTCS
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | FEM | CLEAR the DTC. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES . REPEAT the self-test. |
| C1924 | VAPS Solenoid Actuator Output Short to Ground | FEM | GO to PINPOINT TEST A . |
| C1925 | VAPS Solenoid Actuator Return Circuit Failure | FEM | GO to PINPOINT TEST B . |
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.