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Home/DTC Codes/Mitsubishi/Eclipse/2007-2007 2.4L I4/P2501
P2501

Generator Lamp/L Terminal Circuit High

2007-2007 Mitsubishi Eclipse 2.4L I4

High SeverityPowertrainGeneric (SAE)

The 2007 Mitsubishi Eclipse is equipped with a 2.4L inline-4 engine. Below you'll find detailed p2501 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

High signal on alternator exciter circuit.

Symptoms

  • Battery light behavior abnormal
  • Overcharging possible
  • Check engine light

Common Causes

  • Short to voltage in exciter wire
  • Voltage regulator fault
  • ECM communication issue

Diagnostic Steps

  1. Measure exciter circuit voltage
  2. Check for shorts to power
  3. Test alternator output

Repair Notes

Repair wiring or replace alternator.

Related Codes

P2500Generator Lamp/L Terminal Circuit Low

Other Powertrain Codes

P2501 on Other Vehicles

Mitsubishi 3000GT

1996-1996 3.0L V6 Twin Turbo

Mitsubishi 3000GT

1997-1997 3.0L V6 Twin Turbo

Mitsubishi 3000GT

1998-1998 3.0L V6 Twin Turbo

Mitsubishi 3000GT

1999-1999 3.0L V6 Twin Turbo

Mitsubishi Colt JP

2002-2002 1.3L I4 4A90

Mitsubishi Colt JP

2002-2002 1.5L I4 4A91

Mitsubishi Colt JP

2003-2003 1.3L I4 4A90

Mitsubishi Colt JP

2003-2003 1.5L I4 4A91

Common Questions

What does code P2501 mean on a 2007-2007 Mitsubishi Eclipse?

P2501 stands for "Generator Lamp/L Terminal Circuit High". High signal on alternator exciter circuit.

What are the symptoms of P2501 on a Mitsubishi Eclipse?

Common symptoms of P2501 include: Battery light behavior abnormal, Overcharging possible, Check engine light.

What causes P2501 on a 2007-2007 Mitsubishi Eclipse?

Common causes of P2501 include: Short to voltage in exciter wire, Voltage regulator fault, ECM communication issue.

Last updated: March 2026

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