P2500 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P2500 – Generator Lamp/L-Terminal Circuit Low

 

P2500 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P2500 Possible Causes

 

Faulty Generator (Alternator),Generator harness is open or shorted,Generator circuit poor electrical connection

 

P2500 Description

 

The Powertrain Control Module (PCM) monitors the Generator (Alternator) Circuit. The PCM sets the OBDII code when the Generator Circuit is out of factory specifications.