Symptom Chart: Charging System
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Symptom Chart
| Condition | Possible Sources | Actions |
|---|---|---|
| System voltage high | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| System voltage low or battery is discharged | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| The generator is noisy | Refer to the Pinpoint Test | GO to Pinpoint Test C |
| Radio interference | Refer to the Pinpoint Test | GO to Pinpoint Test D |
| Charging system warning indicator is never or always on | Wiring, terminals or connectors IPC Generator PCM |
RETRIEVE Diagnostic Trouble Codes (DTCs) from all modules. If any Diagnostic Trouble Codes (DTCs) are found, Refer to DTC Charts in this information. If no Diagnostic Trouble Codes (DTCs) are found, REFER to: INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES |