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 Mustang Base, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Charging System DTCS
DIAGNOSTIC TROUBLE CODE (DTC) CHART
| DTCs | Description | Source | Action |
|---|---|---|---|
| P0562 | System Voltage Low | PCM | GO to PINPOINT TEST B . |
| P0562 | System Voltage Low | Various Modules | GO to PINPOINT TEST B . |
| P0563 | System Voltage High | PCM | GO to PINPOINT TEST A . |
| 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 article or the Introduction - Gasoline Models article. If directed to this procedure from another procedure, GO to SYMPTOM CHART |
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:
- • 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.