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P2500high severityPowertrain

Generator Lamp/L Terminal Circuit Low

on 2008 Dodge Viper 8.4L V10 · RWD

What this code means

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.

Other Powertrain codes on this vehicle

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