Powertrain OBDII Trouble Code List

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  • P20A9 2,405 Views
    Reductant Injection Air Pressure Control Valve Circuit High
  • P20AA 3,373 Views
    Reductant Injection Air Pressure Control Valve Stuck Open
  • P20AB 4,097 Views
    Reductant Injection Air Pressure Control Valve Stuck Closed
  • P20AC 3,419 Views
    Reductant Metering Unit Temperature Sensor Circuit
  • P20AD 3,131 Views
    Reductant Metering Unit Temperature Sensor Circuit Range/Performance
  • P20AE 2,377 Views
    Reductant Metering Unit Temperature Sensor Circuit Low
  • P20AF 2,813 Views
    Reductant Metering Unit Temperature Sensor Circuit High
  • P20B0 4,572 Views
    Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic
  • P20B1 13,281 Views
    Reductant Heater Coolant Control Valve Circuit/Open
  • P20B2 4,369 Views
    Reductant Heater Coolant Control Valve Performance
  • P20B3 2,410 Views
    Reductant Heater Coolant Control Valve Circuit Low
  • P20B4 2,540 Views
    Reductant Heater Coolant Control Valve Circuit High
  • P20B5 4,328 Views
    Reductant Metering Unit Heater Control Circuit/Open
  • P20B6 3,169 Views
    Reductant Metering Unit Heater Control Circuit Performance
  • P20B7 10,818 Views
    Reductant Metering Unit Heater Control Circuit Low
  • P20B8 8,130 Views
    Reductant Metering Unit Heater Control Circuit High
  • P20B9 28,847 Views
    Reductant Heater 'A' Control Circuit/Open
  • P20B9 CHEVROLET    8,841 Views
    Reductant Heater 'A' Control Circuit/Open
  • P20B9 FORD 25,004 Views
    Reductant Heater 'A' Control Circuit/Open
  • P20B9 GMC    3,649 Views
    Reductant Heater 'A' Control Circuit/Open
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