P2668 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P2668 – Fuel Mode Indicator Lamp Control Circuit

 

P2668 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P2668 Possible Causes

 

Faulty Fuel Mode Indicator Lamp,Fuel Mode Indicator Lamp harness is open or shorted,Fuel Mode Indicator Lamp circuit poor electrical connection

 

P2668 Description

 

The Engine Control Module (ECM) monitors the Fuel Mode Indicator Lamp Control Circuit. The ECM sets the OBDII code when the Fuel Mode Indicator Lamp Control Circuit is out of factory specifications.