P159A – G Sensor Circuit

P159A Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P159A Possible Causes

Faulty G Sensor,G Sensor harness is open or shorted,G Sensor circuit poor electrical connection

P159A Description

The G Sensor has a semiconductor acceleration sensor and detects longitudinal G and tilt angle of the vehicle based on gravitational acceleration. In addition, the G sensor converts a detected tilt angle into an electric signal and transmits it to Engine Control Module (ECM).