P0625 GMC Generator Field Terminal Circuit Low
Possible causes
– Faulty battery
– Generator drive belt missing or loose
– Faulty Generator
– Generator harness is open or shorted
– Generator circuit poor electrical connection
– Generator drive belt missing or loose
– Faulty Generator
– Generator harness is open or shorted
– Generator circuit poor electrical connection
Tech description
If the battery is OK then the alternator is more than likely the problem.
What about the obd code?
The Engine Control Module (ECM) has detected a fault on the generator field circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,