P012C
Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Low
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)
Symptoms
- Reduced engine power
- Deterioration in acceleration dynamics
- Unstable operation at idle
- Check Engine Light Is On
- Possible popping sounds in the intake manifold
Causes
- Open or short circuit in the sensor harness
- Boost pressure sensor malfunction
- Connection problems (oxidized contacts)
- Mechanical damage to the sensor
- Leaks in the intake tract
- Turbocharger/supercharger malfunction
- Problems with vacuum lines
How to Fix
- Visual inspection of the sensor harness and connectors
- Checking wiring integrity
- Sensor Voltage and Resistance Measurement
- Checking the pressure in the charging system
- Turbine/compressor diagnostics
- Replace the sensor if necessary
- Repairing Air Leaks
Related codes
Error P012C by Vehicle Brand
AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye