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.
Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
2005 Ford Taurus SEL, 4D SedanSECTION Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1125 | Brake Fluid Level Sensor Input Circuit Failure | SJB | GO to PINPOINT TEST I . |
| B1482 | Wiper Washer Fluid Level Sensor Circuit Short to Ground | SJB | GO to PINPOINT TEST U . |
| B2479 | Brake Park Switch Circuit Short to Ground | SJB | GO to PINPOINT TEST I . |
| B2678 | Low Coolant Sender Failure | SJB | GO to PINPOINT TEST V . |
| C1284 | Oil Pressure Switch Failure | SJB | GO to PINPOINT TEST D . |
| All Other DTCs | - | SJB | REFER to MULTIFUNCTION ELECTRONIC MODULES . |
RENDER: 1.0x
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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.