P0489
Exhaust Gas Recirculation Throttle Control Circuit A Circuit Low
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
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What P0489 means
- The fault code P0489 indicates that there is a problem with the exhaust gas recirculation (EGR) control circuit. This may cause the engine to run poorly or have reduced performance.
Possible symptoms
- Illuminated check engine light
- Rough idle or stalling
- Reduced engine power or acceleration
- Increased emissions
Possible causes
- Failed EGR valve
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Exhaust Gas Recirculation (EGR) Sensor: Exhaust gas recirculation (EGR) is an emissions reduction technique used in petrol and diesel engines. Problems lead to harmful emissions out of limit
Possible solutions
- Replace the EGR valve
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
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P0489 on OBD DashX
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