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OBD-II Generic Powertrain DTCs
(Diagnostic Trouble Codes P0100-P0199)


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  • P0100: Mass or Volume Air Flow (MAF) sensor circuit malfunction
  • P0101: MAF sensor out of expected range
  • P0102: MAF sensor low voltage output
  • P0103: MAF sensor high voltage output
  • P0104: MAF sensor signal intermittent
  • P0110: Intake air temperature sensor circuit issue
  • P0111: IAT sensor has irregular signal
  • P0112: IAT sensor output too low
  • P0113: IAT sensor output too high
  • P0114: IAT sensor signal unstable or erratic
  • P0115: Engine coolant temperature sensor malfunction
  • P0116: Coolant temperature sensor range/performance problem
  • P0117: Coolant temperature sensor low voltage
  • P0118: Coolant temperature sensor high voltage
  • P0120: Throttle position sensor/switch malfunction
  • P0121: TPS sensor inconsistent with expected value
  • P0122: TPS sensor voltage too low
  • P0123: TPS sensor voltage too high
  • P0125: Insufficient coolant temperature for closed loop fuel control
  • P0128: Coolant thermostat below regulating temperature
  • P0130: O2 sensor circuit malfunction (Bank 1, Sensor 1)
  • P0131: O2 sensor low voltage (Bank 1, Sensor 1)
  • P0132: O2 sensor high voltage (Bank 1, Sensor 1)
  • P0133: O2 sensor slow response (Bank 1, Sensor 1)
  • P0134: O2 sensor no activity detected (Bank 1, Sensor 1)
  • P0135: O2 sensor heater circuit malfunction (Bank 1, Sensor 1)
  • P0140: O2 sensor no activity (Bank 1, Sensor 2)
  • P0141: O2 sensor heater circuit malfunction (Bank 1, Sensor 2)
  • P0170: Fuel trim malfunction (Bank 1)
  • P0171: Fuel system too lean (Bank 1)
  • P0172: Fuel system too rich (Bank 1)
  • P0174: Fuel system too lean (Bank 2)
  • P0175: Fuel system too rich (Bank 2)
  • P0190: Fuel rail pressure sensor circuit malfunction
  • P0191: Fuel rail pressure sensor range/performance
  • P0192: Fuel rail pressure sensor low input
  • P0193: Fuel rail pressure sensor high input
  • P0194: Fuel rail pressure sensor intermittent

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