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.
2017 Ford GTFACTORY OEM SERVICE PROCEDURE
Charging System DTCS: Pcm
| DTC | Description | Action |
|---|---|---|
| P0562 | System Voltage Low | GO to Pinpoint Test B |
| P0563 | System Voltage High | GO to Pinpoint Test A |
| P0620 | Generator Control Circuit | GO to Pinpoint Test F |
| P0625 | Generator Field Terminal Circuit Low | GO to Pinpoint Test G |
| P0626 | Generator Field Terminal Circuit High | GO to Pinpoint Test G |
| P065B | Generator Control Circuit Range/performance | GO to Pinpoint Test F |
| P0A5A | Generator Current Sensor Circuit Range/Performance | GO to Pinpoint Test E |
| P0A5B | Generator Current Sensor Circuit Low | GO to Pinpoint Test E |
| P0A5C | Generator Current Sensor Circuit High | GO to Pinpoint Test E |
| P1397 | System Voltage Out Of Self-Test Range | If combined with P0562, GO to Pinpoint Test B If combined with P0563, GO to Pinpoint Test A |
| All Other DTCs | -- | REFER to: Electronic Engine Controls . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
