Error code

OBD2 P2501

OBD2P2501
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Generator Lamp/L-Terminal Circuit High.

Severity

moderateCan drive but may experience electrical issues and should be checked soon.

Summary

P2501 indicates an issue with the alternator warning lamp's L-terminal circuit being too high, which is related to the instrument panel or alternator wiring.

Common Causes

  • Wiring short to positive
  • Faulty alternator
  • Instrument panel malfunction

Fixes

FAQ

What does P2501 mean?

P2501 indicates a high voltage issue in the alternator warning lamp's L-terminal circuit.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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