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Home/DTC Codes/Lincoln/LS/2000-2006 3.9L V8/P2500
P2500

Generator Lamp/L Terminal Circuit Low

2000-2006 Lincoln LS 3.9L V8

High SeverityPowertrainGeneric (SAE)

Description

Low signal on the alternator lamp/exciter circuit, preventing proper charging regulation.

Symptoms

  • Battery light on
  • Low charging voltage
  • Check engine light

Common Causes

  • Broken exciter wire
  • Failed voltage regulator
  • Corroded alternator connector
  • Blown dash bulb

Diagnostic Steps

  1. Check charging system voltage
  2. Inspect alternator connector
  3. Measure exciter circuit voltage

Repair Notes

Repair exciter circuit wiring or replace alternator.

Related Codes

P2501Generator Lamp/L Terminal Circuit HighP2502Charging System Voltage

Other Powertrain Codes

P2500 on Other Vehicles

Lincoln Aviator

2003-2005 4.6L V8

Lincoln Aviator

2003-2005 4.6L V8 DOHC

Lincoln Aviator

2020-2024 3.0L Twin-Turbo V6

Lincoln Aviator

2020-2024 3.0L V6 Twin Turbo

Lincoln Aviator Grand Touring

2020-2024 3.0L Twin Turbo V6 PHEV

Lincoln Aviator Grand Touring

2020-2024 3.0L Twin-Turbo V6 Hybrid

Lincoln Aviator Grand Touring

2020-2024 3.0L V6 Twin Turbo Hybrid

Lincoln Blackwood

2002-2002 5.4L V8

Common Questions

What does code P2500 mean on a 2000-2006 Lincoln LS?

P2500 stands for "Generator Lamp/L Terminal Circuit Low". Low signal on the alternator lamp/exciter circuit, preventing proper charging regulation.

What are the symptoms of P2500 on a Lincoln LS?

Common symptoms of P2500 include: Battery light on, Low charging voltage, Check engine light.

What causes P2500 on a 2000-2006 Lincoln LS?

Common causes of P2500 include: Broken exciter wire, Failed voltage regulator, Corroded alternator connector, Blown dash bulb.

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