2017 Ford Fiesta Hatchback OBD2 Code P2501 Generator Lamp/L-Terminal Circuit High

OBD II Fault Code

  • OBD II P2501

OBD-II Code Engine may not start is defined as a Generator Lamp/L-Terminal Circuit High

The Alternator recharges the Battery when the engine is running. The Alternator is controlled by the engine control module (PCM). If the PCM detects an incorrect signal from the Alternator, the PCM will set code P2501.

Engine may not start Symptoms

  • Engine may not start
  • Engine may stall

Common Problems That Trigger the P2501 Code

  • Alternator failure
  • Battery failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P2501 Code

  • Alternator Replacement

OBD II Trouble Codes