P2774 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P2774 – Four Wheel Drive Low Switch Circuit High

 

P2774 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P2774 Possible Causes

 

Faulty Four Wheel Drive Low Switch,Four Wheel Drive Low Switch harness is open or shorted,Four Wheel Drive Low Switch circuit poor electrical connection

 

P2774 Description

 

The Transmission Control Module (TCM) monitors the Four Wheel Drive Low Switch Circuit signal. the TCM sets the OBDII code when the Four Wheel Drive Low Switch Circuit is out of the factory specifications.