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 Fiesta SES, StandardFACTORY OEM SERVICE PROCEDURE
Charging System DTCS
DIAGNOSTIC TROUBLE CODE (DTC) CHART
| DTCs | Description | Action |
|---|---|---|
| P065B:09 | Generator Control Circuit Range/Performance: Component Failure | INSTALL a new generator. Refer to GENERATOR in this information. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| P065C:09 | Generator Mechanical Performance: Component Failure | Go to PINPOINT TEST D . |
| P0A3B:09 | Generator Over Temperature: Component Failure | INSTALL a new generator. Refer to GENERATOR in this information. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| P1794:16 | Battery Voltage Circuit: Circuit Voltage Below Threshold | Go to PINPOINT TEST B . |
| P1794:17 | Battery Voltage Circuit: Circuit Voltage Above Threshold | Go to PINPOINT TEST A . |
| U0120:13 | Lost Communication with Starter/Generator Control Module: Circuit Open | Go to PINPOINT TEST C . |
| U0469:09 | Invalid Data Received From Starter/Generator Control Module: Component Failure | INSTALL a new generator. Refer to GENERATOR in this information. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | Go to PINPOINT TEST B . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | Go to PINPOINT TEST A . |
| All other DTCs | - | Refer to the ELECTRONIC ENGINE CONTROLS or the . If directed to this information from another section, go to 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.