P20xx · Fuel and air metering and auxiliary emission controls

P20B4 Reductant Heater Coolant Control Valve Circuit High Powertrain P20B5 Reductant Metering Unit Heater Control Circuit/Open Powertrain P20B6 Reductant Metering Unit Heater Control Circuit Performance Powertrain P20B7 Reductant Metering Unit Heater Control Circuit Low Powertrain P20B8 Reductant Metering Unit Heater Control Circuit High Powertrain P20B9 Reductant Heater A Control Circuit/Open Powertrain P20BA Reductant Heater A Control Performance Powertrain P20BB Reductant Heater A Control Circuit Low Powertrain P20BC Reductant Heater A Control Circuit High Powertrain P20BD Reductant Heater B Control Circuit/Open Powertrain P20BE Reductant Heater B Control Circuit Performance Powertrain P20BF Reductant Heater B Control Circuit Low Powertrain P20C0 Reductant Heater B Control Circuit High Powertrain P20C1 Reductant Heater C Control Circuit/Open Powertrain P20C2 Reductant Heater C Control Circuit Performance Powertrain P20C3 Reductant Heater C Control Circuit Low Powertrain P20C4 Reductant Heater C Control Circuit High Powertrain P20C5 Reductant Heater D Control Circuit/Open Powertrain P20C6 Reductant Heater D Control Circuit Performance Powertrain P20C7 Reductant Heater D Control Circuit Low Powertrain P20C8 Reductant Heater D Control Circuit High Powertrain P20C9 Reductant Control Module Requested MIL Illumination Powertrain P20CA Reductant Injection Air Pressure Leakage Powertrain P20CB Exhaust Aftertreatment Fuel Injector A Control Circuit/Open Powertrain P20CC Exhaust Aftertreatment Fuel Injector A Control Performance Powertrain P20CD Exhaust Aftertreatment Fuel Injector A Control Circuit Low Powertrain P20CE Exhaust Aftertreatment Fuel Injector A Control Circuit High Powertrain P20CF Exhaust Aftertreatment Fuel Injector A Stuck Open Powertrain P20D0 Exhaust Aftertreatment Fuel Injector A Stuck Closed Powertrain P20D1 Exhaust Aftertreatment Fuel Injector B Control Circuit/Open Powertrain P20D2 Exhaust Aftertreatment Fuel Injector B Control Performance Powertrain P20D3 Exhaust Aftertreatment Fuel Injector B Control Circuit Low Powertrain P20D4 Exhaust Aftertreatment Fuel Injector B Control Circuit High Powertrain P20D5 Exhaust Aftertreatment Fuel Injector B Stuck Open Powertrain P20D6 Exhaust Aftertreatment Fuel Injector B Stuck Closed Powertrain P20D7 Exhaust Aftertreatment Fuel Supply Control Circuit/Open Powertrain P20D8 Exhaust Aftertreatment Fuel Supply Control Performance Powertrain P20D9 Exhaust Aftertreatment Fuel Supply Control Circuit Low Powertrain P20DA Exhaust Aftertreatment Fuel Supply Control Circuit High Powertrain P20DB Exhaust Aftertreatment Fuel Supply Control Stuck Open Powertrain P20DC Exhaust Aftertreatment Fuel Supply Control Stuck Closed Powertrain P20DD Exhaust Aftertreatment Fuel Pressure Sensor Circuit Powertrain P20DE Exhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance Powertrain P20DF Exhaust Aftertreatment Fuel Pressure Sensor Circuit Low Powertrain P20E0 Reductant Pressure Too Low Powertrain P20E1 Reductant Pressure Too Low Powertrain P20E2 Reductant Pressure Too High Powertrain P20E3 Exhaust Gas Temperature Sensor 1/3 Correlation (Bank 1) Powertrain P20E4 Exhaust Gas Temperature Sensor 2/3 Correlation (Bank 1) Powertrain P20E5 Exhaust Gas Temperature Sensor 1/2 Correlation (Bank 2) Powertrain P20E6 Reductant Injection Air Pressure Too Low Powertrain P20E7 Reductant Injection Air Pressure Too High Powertrain P20E8 Reductant Pressure Too Low Powertrain P20E9 Reductant Pressure Too High Powertrain P20EA Reductant Pump Control Circuit Open Powertrain P20EB Reductant Reservoir Heater "A" Control Circuit Powertrain P20EC Reductant Heater "A" Control Stuck Off Powertrain P20ED Reductant Heater "A" Control Stuck On Powertrain P20EE NOx Catalyst Efficiency Below Threshold (Bank 1) Powertrain P20EF Reductant Injection Valve Performance Powertrain