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Car Fault Codes

OBD-II trouble codes explained: meaning, causes, symptoms, fixes and typical repair cost.

Category All Fuel & air Ignition & misfire Emissions & exhaust Cooling & lubrication Speed & idle Engine computer & electrical Transmission Hybrid & EV Network Body Chassis & brakes
Brand All ToyotaNissanChevroletHondaFordGMCLexusMitsubishiHyundaiKia
Jump to All P00 P01 P04 P2 Manufacturer codes

Showing 1–24 of 122 codes

P0030 Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 Sensor 1) Low Emissions & exhaust P0031 Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1 Sensor 1) Low Emissions & exhaust P0032 Heated Oxygen Sensor (HO2S) Heater Control Circuit High (Bank 1 Sensor 1) Low Emissions & exhaust P0036 Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 Sensor 2) Low Emissions & exhaust P0037 Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1 Sensor 2) Low Emissions & exhaust P0038 Heated Oxygen Sensor (HO2S) Heater Control Circuit High (Bank 1 Sensor 2) Low Emissions & exhaust P0050 Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 2 Sensor 1) Low Emissions & exhaust P0051 Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 2 Sensor 1) Low Emissions & exhaust P0052 Heated Oxygen Sensor (HO2S) Heater Control Circuit High (Bank 2 Sensor 1) Low Emissions & exhaust P0056 Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 2 Sensor 2) Low Emissions & exhaust P0057 Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 2 Sensor 2) Low Emissions & exhaust P0058 Heated Oxygen Sensor (HO2S) Heater Control Circuit High (Bank 2 Sensor 2) Low Emissions & exhaust P0130 O2 Sensor Circuit (Bank 1 Sensor 1) Medium Emissions & exhaust P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) Medium Emissions & exhaust P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) Medium Emissions & exhaust P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) Medium Emissions & exhaust P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) Medium Emissions & exhaust P0135 O2 Sensor Heater Circuit (Bank 1 Sensor 1) Low Emissions & exhaust P0136 O2 Sensor Circuit (Bank 1 Sensor 2) Low Emissions & exhaust P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) Low Emissions & exhaust P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) Low Emissions & exhaust P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) Low Emissions & exhaust P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) Low Emissions & exhaust P0141 O2 Sensor Heater Circuit (Bank 1 Sensor 2) Low Emissions & exhaust