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)FOUR WHEEL DRIVE (4WD) SYSTEM DTCSRAPTOR, VEHICLES WITH: 4HI-LOC TORQUE ON DEMAND TRANSFER CASEALL-TERRAIN CONTROL MODULE
2018 Ford F-150 XLT, 4D Pickup Extra Cab, 3.5L Eng VIN G, RWD
All-Terrain Control Module
2018 Ford F-150 XLT, 4D Pickup Extra Cab, 3.5L Eng VIN G, RWDSECTION All-Terrain Control Module
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| B11D9:16 | Vehicle Battery: Circuit Voltage Below Threshold | GO to Pinpoint Test N |
| B11D9:17 | Vehicle Battery: Circuit Voltage Above Threshold | GO to Pinpoint Test M |
| U0102:00 | Lost Communication with Transfer Case Control Module: No Sub Type Information | GO to Pinpoint Test O |
| U0140:00 | Lost Communication With Body Control Module (BCM): No Sub Type Information | GO to Pinpoint Test |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | RETRIEVE and REPAIR all non-network DTCs in the BCM. REFER to: Snow Plow Package . |
| U3000:49 | Control Module: Internal Electronic Failure |
NOTE:
The 4X4 switch module is known by the scan tool as the All-Terrain Control Module. CLEAR the DTCs. CYCLE the ignition. CARRY OUT the Terrain Management module self-test. RETRIEVE and RECORD all DTCs Road test the vehicle, If the DTC returns, INSTALL a new 4X4 switch module. |
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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.