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 MANUALSFORD2009RANGER 2D PICKUP, 2.3 D, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 314 (INTERIOR LIGHTING SYSTEM)DIAGNOSTIC TESTSINTERIOR LIGHTINGDTC INDEX
2009 Ford Ranger 2D Pickup, 2.3 D, Automatic
DTC Index
2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION DTC Index
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
LIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description | Action |
|---|---|---|
| B1334 | Decklid Ajar Rear Door Circuit Short To Ground | Go to Pinpoint Test J . |
| B1342 | ECU is Faulted | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new LCM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation. |
| B1688 | Lamp Dome Input Circuit Short to Ground | Go to Pinpoint Test C . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
DRIVER DOOR MODULE (DDM) DIAGNOSTIC CODE INDEX
| DTC | Description | Action |
|---|---|---|
| B1322 | Driver Door Ajar Circuit Short to Ground | Go to Pinpoint Test C . |
| B1342 | ECU Is Faulted | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new DDM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation. |
| B1566 | Door Ajar Circuit Short to Ground | Go to Pinpoint Test C . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
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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.