P159B Code: Meaning, Causes, and Symptoms | OBD2 Codes

P159B – G Sensor Circuit Range/Performance

 

P159B Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P159B Possible Causes

 

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

 

P159B 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).