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.