DTC P0622: Generator Field Not Switching Properly: Description

Download the full database via torrent (~1.1 TB) | Download Brad's custom LEMON patches

Generator field driver circuit is monitored with engine running. DTC will set in Powertrain Control Module (PCM) memory when PCM tries to regulate generator field with no result during monitoring. Possible cause for DTC to set is: defective generator, defective PCM, defective connector or defective wiring.