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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 P02 P03 P04 P05 P06 P07 P08 P0A P2 U0 B0 C0 Manufacturer codes

Showing 73–96 of 637 codes

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 P0150 O2 Sensor Circuit (Bank 2 Sensor 1) Medium Emissions & exhaust P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) Medium Emissions & exhaust P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) Medium Emissions & exhaust P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) Medium Emissions & exhaust P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Medium Emissions & exhaust P0155 O2 Sensor Heater Circuit (Bank 2 Sensor 1) Low Emissions & exhaust P0156 O2 Sensor Circuit (Bank 2 Sensor 2) Low Emissions & exhaust P0157 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) Low Emissions & exhaust P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) Low Emissions & exhaust P0159 O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) Low Emissions & exhaust P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) Low Emissions & exhaust P0161 O2 Sensor Heater Circuit (Bank 2 Sensor 2) Low Emissions & exhaust P0170 Fuel Trim (Bank 1) Medium Fuel & air P0171 System Too Lean (Bank 1) Medium Fuel & air P0172 System Too Rich (Bank 1) Medium Fuel & air P0173 Fuel Trim (Bank 2) Medium Fuel & air P0174 System Too Lean (Bank 2) Medium Fuel & air P0175 System Too Rich (Bank 2) Medium Fuel & air P0180 Fuel Temperature Sensor A Circuit Low Fuel & air P0181 Fuel Temperature Sensor A Circuit Range/Performance Low Fuel & air