P159D Code: Meaning, Causes, and Symptoms | OBD2 Codes

P159D – G Sensor Circuit High Input


P159D Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


P159D Possible Causes


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


P159D 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).