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 MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 175 (EXTERIOR LIGHTING SYSTEM)DIAGNOSIS AND TESTINGAUTOLAMPSINSPECTION AND VERIFICATIONSMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2009 Ford Fusion SEL, 3.0 1, FWD
Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
2009 Ford Fusion SEL, 3.0 1, FWDSECTION Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 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 | Action |
|---|---|---|
| B1342 | ECU is Faulted | CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved again, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B1472 | Lamp Headlamp Input Circuit Short to Ground | GO to PINPOINT TEST H . |
| B1692 | Autolamp Delay Circuit Short to Ground | GO to PINPOINT TEST H . |
| B1792 | Autolamp Sensor Input Short to Battery | GO to PINPOINT TEST H . |
| B1793 | Autolamp Sensor Input Circuit Short to Ground | GO to PINPOINT TEST G . |
| B2498 | Headlamp Switch OFF Position OPEN | GO to PINPOINT TEST H . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES . |
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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.