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.
2011 Ford Expedition 4WDFACTORY OEM SERVICE PROCEDURE
Charging System DTCS
CHARGING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTCs | Description | Source | Action |
|---|---|---|---|
| P0562 | System Voltage Low | Various Modules | Go to PINPOINT TEST B . |
| P0563 | System Voltage High | Various Modules | Go to PINPOINT TEST A . |
| P0620 | Generator Control Circuit | PCM | Go to PINPOINT TEST C . |
| P0625 | Generator Field Terminal Circuit Low | PCM | Go to PINPOINT TEST D . |
| P0626 | Generator Field Terminal Circuit High | PCM | Go to PINPOINT TEST D . |
| P065B | Generator Control Circuit Range/Performance | PCM | Go to PINPOINT TEST E . |
| All other DTCs | - | Various Modules | Refer to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULE
or the INTRODUCTION
. If directed to this information from another source, refer to the SYMPTOM CHART in this information. |
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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