Symptom Chart: Charging System

2021 Ford Edge SE, 4WDSECTION Symptom Chart: Charging System
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition Possible Sources Actions
System voltage high Refer to the Pinpoint Test GO to Pinpoint Test AΒ 
System voltage low or battery is discharged Refer to the Pinpoint Test GO to Pinpoint Test BΒ 
The generator is noisy Refer to the Pinpoint Test GO to Pinpoint Test CΒ 
Radio interference Refer to the Pinpoint Test GO to Pinpoint Test DΒ 
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 Chart(s)Β . If no Diagnostic Trouble Codes (DTCs) are found, REFER to: Instrumentation, Message Center and Warning Chimes .
RENDER: 1.0x

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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.