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.
2021 Ford Explorer STFACTORY OEM SERVICE PROCEDURE
Accessory Charging
- Description And Operation
- Diagnosis And Testing
- Wireless Accessory Charging Module (WACM)
- Diagnostic Trouble Code (DTC) Chart
- Symptom Chart(s)
- Pinpoint Test(s)
- Pinpoint Test A : B1554:11, B1554:13
- Pinpoint Test B : The WACM (Wireless Accessory Charging Module) Is Inoperative
- Pinpoint Test C : U3003:16, U3003:17
- Pinpoint Test D : U0140:00
- Pinpoint Test E : U0257:00
- Pinpoint Test F : U0184:00
- Pinpoint Test G : U3000:41, U3000:42, U3000:49
- Pinpoint Test H : U2100:00, U2101:00, U201A:51
- Wireless Accessory Charging Module (WACM)
- Removal And Installation
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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