P2239
O2 Sensor Positive Current Control Circuit High Bank 1 Sensor 1
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Reduced engine power
- Unstable engine idling
- Dips during acceleration
Causes
- Short circuit in the oxygen sensor heating circuit
- Malfunction of the oxygen sensor itself
- Problems with the wiring harness to the sensor
- Damage to wire insulation
- Malfunction of the engine control unit (rare)
How to Fix
- Visual inspection of the wiring and connectors of the oxygen sensor
- Checking the resistance of the sensor heating circuit
- Checking the voltage in the control circuit
- Replacing the oxygen sensor if necessary
- Repair or replace damaged wiring
Related codes
Error P2239 by Vehicle Brand
AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye