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 MANUALSFORD2018F-150 XLT, 4D PICKUP EXTRA CAB, 3.5L ENG VIN G, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (ENGINE COOLING SYSTEM - MULTIFUNCTION ELECTRONIC MODULES)INTERIOR LIGHTING SYSTEM DTCSBCM
2018 Ford F-150 XLT, 4D Pickup Extra Cab, 3.5L Eng VIN G, RWD
Interior Lighting System DTCS: BCM
2018 Ford F-150 XLT, 4D Pickup Extra Cab, 3.5L Eng VIN G, RWDSECTION BCM
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| B1175:01 | Driver Door Ajar Switch: General Electrical Failure | If the courtesy lamps are always on, GO to Pinpoint Test C If the courtesy lamps are inoperative, GO to Pinpoint Test A |
| B1176:01 | Passenger Door Ajar Switch: General Electrical Failure | If the courtesy lamps are always on, GO to Pinpoint Test C If the courtesy lamps are inoperative, GO to Pinpoint Test A |
| B11C0:01 | Driver Side Rear Door Ajar Switch: General Electrical Failure | If the courtesy lamps are always on, GO to Pinpoint Test C If the courtesy lamps are inoperative, GO to Pinpoint Test A |
| B11C1:01 | Passenger Side Rear Door Ajar Switch: General Electrical Failure | If the courtesy lamps are always on, GO to Pinpoint Test C If the courtesy lamps are inoperative, GO to Pinpoint Test A |
| B12C2:11 | Puddle Lamp: Circuit Short To Ground | GO to Pinpoint Test J |
| B12C2:15 | Puddle Lamp: Circuit Short To Battery or Open | GO to Pinpoint Test J |
| B1313:11 | Interior Lighting Output: Circuit Short To Ground | GO to Pinpoint Test B |
| B1313:15 | Interior Lighting Output: Circuit Short To Battery or Open | If the interior courtesy lamps are always on, GO to Pinpoint Test D If the interior courtesy lamps are inoperative, GO to Pinpoint Test B |
| B145C:11 | Ambient Lighting Power Supply Output: Circuit Short To Ground | GO to Pinpoint Test H |
| B145C:15 | Ambient Lighting Power Supply Output: Circuit Short To Battery or Open | GO to Pinpoint Test H |
| B1465:00 | Ambient Lighting Bus 1: No Sub Type Information | If all the ambient lighting is inoperative or always on, GO to Pinpoint Test H If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative, GO to Pinpoint Test I |
| B1467:00 | Ambient Lighting Bus 3: No Sub Type Information | If all the ambient lighting is inoperative or always on, GO to Pinpoint Test H If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative, GO to Pinpoint Test I |
| B14A7:11 | Puddle/Cargo Switch Input: Circuit Short To Ground | GO to Pinpoint Test J |
| B14AA:11 | Demand Lamp Output: Circuit Short To Ground | GO to Pinpoint Test E |
| B14AA:15 | Demand Lamp Output: Circuit Short To Battery or Open | GO to Pinpoint Test E |
| B14D8:11 | Bed Lamp Output: Circuit Short To Ground | GO to Pinpoint Test J |
| B14D8:15 | Bed Lamp Output: Circuit Short To Battery or Open | GO to Pinpoint Test J |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | The module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The BCM cannot enable the output until the cause of the short is corrected. ADDRESS all other Diagnostic Trouble Codes (DTCs) first. After the cause of the concern is corrected, CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. |
| U3000:49 | Control Module: Internal Electronic Failure | The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the BCM can withstand. The cause of the excessive current draw MUST be corrected before a new BCM is installed. ADDRESS all other Diagnostic Trouble Codes (DTCs) first. After the cause of the concern is corrected, Refer to: BCM Hardware Testing - F150 . |
| For other BCM Diagnostic Trouble Codes (DTCs) | - | REFER to: Body Control Module (BCM) . |
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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.