Error code
OBD2 P0625
OBD2P0625
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Generator Field/F Terminal Circuit Low.
Severity
moderateCan be driven but may cause further damage to electrical components if not addressed.
Summary
P0625 indicates an abnormally low voltage in the generator field coil circuit, which is part of the alternator's electrical system.
Symptoms
- Battery warning light on
- Dim or flickering headlights
Common Causes
- Defective alternator component(s) such as the voltage regulator or rectifier
- Faulty battery
- Slipping alternator drive belt
- Corroded, damaged, disconnected, or shorted wiring and connectors in the charging system
Diagnosis
- Inspect alternator drive belt for proper tension and condition
- Check battery voltage and condition
- Test wiring and connectors in the charging system
Fixes
- Replace faulty alternator component(s) or entire alternator
FAQ
What does P0625 mean?
P0625 indicates a low voltage issue in the generator field coil circuit, which is part of the vehicle's charging system.
How do I fix P0625?
Fixing P0625 typically involves replacing faulty components such as the alternator or its internal parts like the voltage regulator and rectifier.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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