What are the possible causes of a p0620 Ford?
What are the possible causes of a p0620 Ford? P0620 FORD Possible Causes 1 Battery charge 2 Faulty Generator 3 Generator harness is open or shorted 4 Generator circuit poor electrical connection 5 Engine Control Module (ECM) controlled generator 6 Faulty ECM More ... Why is the battery draining on my Ford Focus? A fairly inexpensive replacement module will fix that when the weather warms up! My main worry at the moment is this battery drain and what is causing it. The DRLs being on are only a symptom I think. Something is allowing power to the headlights (though not...