P1084 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P1084 – Exhaust Valve Timing Control Position Sensor Bank 2 Circuit

 

P1084 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P1084 Possible Causes

 

Faulty Exhaust Valve Timing Control Position Sensor Bank 2,Exhaust Valve Timing Control Position Sensor Bank 2 harness is open or shorted,Exhaust Valve Timing Control Position Sensor Bank 2 circuit poor electrical connection,Accumulation of debris to the signal pick-up portion of the camshaft,Crankshaft position sensor

 

P1084 Description

 

Exhaust valve timing control position sensor detects the concave groove of the exhaust camshaft rear end. This sensor signal is used for sensing a position of the exhaust camshaft. This sensor uses a Hall IC. Based on the position of the exhaust camshaft, ECM controls exhaust valve timing control magnet retarder to optimize the shut/open timing of exhaust valve for the driving condition.