P0490 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P0490 – Exhaust Gas Recirculation Throttle Control Circuit ‘A’ Circuit High


P0490 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


P0490 Possible Causes


Faulty Exhaust Gas Recirculation (EGR) Solenoid,Exhaust Gas Recirculation (EGR) Solenoid harness is open or shorted,Exhaust Gas Recirculation (EGR) Solenoid circuit poor electrical connection


P0490 Description


The Engine Control Module (ECM) does not detect voltage on the Exhaust Gas Recirculation (EGR) Solenoid circuit.