P0620 Ford - F350

Question

I have recently purchased a brand new alternator and cleared the past codes that we being thrown. It has been two weeks and the new alternator is already throwing the same codes. Why is this happening? And what do i need to do now? My hands are up.

Answer 1

HI there

It is possible there is an issue with the wiring, the battery or even the ecm on this.If you used an aftermarket alternator, it's possible the alternator has failed already as well. They are not always the best quality.

P0620 FORD - Generator Control Circuit

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