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.
2006 Ford Mustang Base, 2D Convertible, StandardFACTORY OEM SERVICE PROCEDURE
DTC Index: Lighting: Interior
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1084 | Trunk Lamp Circuit Failure | If the luggage compartment lamp is inoperative, GO to PINPOINT TEST F
. If the luggage compartment lamp is always on, GO to PINPOINT TEST G . |
| B1319 | Driver's Door Ajar Circuit Failure | GO to PINPOINT TEST D . |
| B1327 | Passenger's Door Ajar Circuit Failure | GO to PINPOINT TEST D . |
| B2021 | Dome Lamp Output Return Circuit Failure | GO to PINPOINT TEST A . |
| B2550 | Lamp Dome Output Circuit Short to Ground | GO to PINPOINT TEST A . |
| B2554 | Lamp Dome Output Circuit Failure | GO to PINPOINT TEST D . |
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.