P20xx — Emissions and fuel metering

256 codes in this range. Generic powertrain codes — injector, sensor and emissions circuits.

• P2000NOx Adsorber Efficiency Below Threshold (Bank 1)
• P2001NOx Adsorber Efficiency Below Threshold (Bank 2)
• P2002Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
• P2003Diesel Particulate Filter Efficiency Below Threshold (Bank 2)
• P2004Intake Manifold Runner Control Stuck Open (Bank 1)Workshop notes included
• P2005Intake Manifold Runner Control Stuck Open (Bank 2)
• P2006Intake Manifold Runner Control Stuck Closed (Bank 1)
• P2007Intake Manifold Runner Control Stuck Closed (Bank 2)
• P2008Intake Manifold Runner Control Solenoid Circuit Open (Bank 1)
• P2009Intake Manifold Runner Control Solenoid Circuit Low (Bank 1)
• P200AIntake Manifold Runner Performance (Bank 1)
• P200BIntake Manifold Runner Performance (Bank 2)
• P200CParticulate Filter Over Temperature (Bank 1)
• P200DParticulate Filter Over Temperature (Bank 2)
• P200ECatalyst System Over Temperature (Bank 1)
• P200FCatalyst System Over Temperature (Bank 2)
• P2010Intake Manifold Runner Control Solenoid Circuit High (Bank 1)
• P2011Intake Manifold Runner Control Circuit/Open (Bank 2)
• P2012Intake Manifold Runner Control Circuit Low (Bank 2)
• P2013Intake Manifold Runner Control Circuit High (Bank 2)
• P2014Intake Manifold Runner Position Sensor/Switch Circuit (Bank 1)
• P2015Intake Manifold Runner Position Sensor/Switch Range/Performance (Bank 1)
• P2016Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1)
• P2017Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 1)
• P2018Intake Manifold Runner Position Sensor/Switch Circuit Open (Bank 2)
• P2019Intake Manifold Runner Position Sensor/Switch Range/Performance (Bank 2)
• P201AReductant Injection Valve Circuit Range/Performance (Bank 2 Unit 1)
• P201BIntake Manifold Runner Control Actuator Supply Voltage Low (Bank 1)
• P201CIntake Manifold Runner Control Actuator Supply Voltage Low (Bank 2)
• P201DIntake Manifold Runner Control Actuator Internal Performance (Bank 1)
• P201EIntake Manifold Runner Control Actuator Internal Performance (Bank 2)
• P201FReductant Pump A Stuck On
• P2020Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)
• P2021Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)
• P2022Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)
• P2023Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 2)
• P2024EVAP Fuel Vapor Temperature Sensor Circuit
• P2025EVAP Fuel Vapor Temperature Sensor Performance
• P2026EVAP Fuel Vapor Temperature Sensor Circuit Low Voltage
• P2027EVAP Fuel Vapor Temperature Sensor Circuit High Voltage
• P2028EVAP Fuel Vapor Temperature Sensor Circuit Intermittent
• P2029Fuel Fired Heater Disabled
• P202AReductant Tank Heater Control Circuit/Open
• P202BReductant Tank Heater Control Circuit Low
• P202CReductant Tank Heater Control Circuit High
• P202DReductant Leakage
• P202EReductant Injection Valve Circuit Range/Performance (Bank 1 Unit 1)
• P202FReductant/Regeneration Supply Control Circuit Range/Performance
• P2030Fuel Fired Heater Performance
• P2031Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2)
• P2032Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)
• P2033Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)
• P2034Exhaust Gas Temperature Sensor Circuit (Bank 2 Sensor 2)
• P2035Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2)
• P2036Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 2)
• P2037Reductant Injection Air Pressure Sensor A Circuit
• P2038Reductant Injection Air Pressure Sensor A Circuit Range/Performance
• P2039Reductant Injection Air Pressure Sensor A Circuit Low
• P203AReductant Level Sensor A Circuit
• P203BReductant Level Sensor A Circuit Range/Performance
• P203CReductant Level Sensor A Circuit Low
• P203DReductant Level Sensor A Circuit High
• P203EReductant Level Sensor A Circuit Intermittent/Erratic
• P203FReductant Level Too Low
• P2040Reductant Injection Air Pressure Sensor A Circuit High
• P2041Reductant Injection Air Pressure Sensor A Circuit Intermittent
• P2042Reductant Temperature Sensor A Circuit
• P2043Reductant Temperature Sensor A Circuit Range/Performance
• P2044Reductant Temperature Sensor A Circuit Low
• P2045Reductant Temperature Sensor A Circuit High
• P2046Reductant Temperature Sensor A Circuit Intermittent
• P2047Reductant Injection Valve Circuit/Open (Bank 1 Unit 1)
• P2048Reductant Injection Valve Circuit Low (Bank 1 Unit 1)
• P2049Reductant Injection Valve Circuit High (Bank 1 Unit 1)
• P204AReductant Pressure Sensor Circuit
• P204BReductant Pressure Sensor Circuit Range/Performance
• P204CReductant Pressure Sensor Circuit Low
• P204DReductant Pressure Sensor Circuit High
• P204EReductant Pressure Sensor Circuit Intermittent/Erratic
• P204FReductant System Performance
• P2050Reductant Injection Valve Circuit/Open (Bank 2 Unit 1)
• P2051Reductant Injection Valve Circuit Low (Bank 2 Unit 1)
• P2052Reductant Injection Valve Circuit High (Bank 2 Unit 1)
• P2053Reductant Injection Valve Circuit/Open (Bank 1 Unit 2)
• P2054Reductant Injection Valve Circuit Low (Bank 1 Unit 2)
• P2055Reductant Injection Valve Circuit High (Bank 1 Unit 2)
• P2056Reductant Injection Valve Circuit/Open (Bank 2 Unit 2)
• P2057Reductant Injection Valve Circuit Low (Bank 2 Unit 2)
• P2058Reductant Injection Valve Circuit High (Bank 2 Unit 2)
• P2059Reductant Injection Air Pump Control Circuit/Open
• P205AReductant Tank Temperature Sensor A Circuit
• P205BReductant Tank Temperature Sensor A Circuit Range/Performance
• P205CReductant Tank Temperature Sensor A Circuit Low
• P205DReductant Tank Temperature Sensor A Circuit High
• P205EReductant Tank Temperature Sensor A Circuit Intermittent/Erratic
• P205FReductant System Performance (Bank 2)
• P2060Reductant Injection Air Pump Control Circuit Low
• P2061Reductant Injection Air Pump Control Circuit High
• P2062Reductant/Regeneration Supply Control Circuit/Open
• P2063Reductant/Regeneration Supply Control Circuit Low
• P2064Reductant/Regeneration Supply Control Circuit High
• P2065Fuel Level Sensor B Circuit
• P2066Fuel Level Sensor B Performance
• P2067Fuel Level Sensor B Circuit Low
• P2068Fuel Level Sensor B Circuit High
• P2069Fuel Level Sensor B Circuit Intermittent
• P206AReductant Quality Sensor Circuit
• P206BReductant Quality Sensor Circuit Range/Performance
• P206CReductant Quality Sensor Circuit Low
• P206DReductant Quality Sensor Circuit High
• P206EIntake Manifold Tuning (IMT) Valve Stuck Open (Bank 2)
• P206FIntake Manifold Tuning (IMT) Valve Stuck Closed (Bank 2)
• P2070Intake Manifold Tuning (IMT) Valve Stuck Open (Bank 1)
• P2071Intake Manifold Tuning (IMT) Valve Stuck Closed (Bank 1)
• P2072Throttle Actuator Control System - Ice Blockage (Bank 1)
• P2073Manifold Absolute Pressure / Mass Air Flow - Throttle Position Correlation at Idle
• P2074Manifold Absolute Pressure / Mass Air Flow - Throttle Position Correlation at Higher Load
• P2075Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit (Bank 1)
• P2076Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance (Bank 1)
• P2077Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low (Bank 1)
• P2078Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High (Bank 1)
• P2079Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 1)
• P207AIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit (Bank 2)
• P207BIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance (Bank 2)
• P207CIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low (Bank 2)
• P207DIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High (Bank 2)
• P207EIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 2)
• P207FReductant Quality Performance
• P2080Exhaust Gas Temperature Sensor Range/Performance (Bank 1 Sensor 1)
• P2081Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 1)
• P2082Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 1)
• P2083Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 1)
• P2084Exhaust Gas Temperature Sensor Range/Performance (Bank 1 Sensor 2)
• P2085Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 2)
• P2086Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 2)
• P2087Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 2)
• P2088Camshaft Position A Actuator Control Circuit Low (Bank 1)
• P2089Camshaft Position A Actuator Control Circuit High (Bank 1)
• P208AReductant Pump A Control Circuit/Open
• P208BReductant Pump A Control Performance/Stuck Off
• P208CReductant Pump A Control Circuit Low
• P208DReductant Pump A Control Circuit High
• P208EReductant Injection Valve Stuck Closed (Bank 1 Unit 1)
• P208FReductant Injection Valve Stuck Closed (Bank 2 Unit 1)
• P2090Camshaft Position B Actuator Control Circuit Low (Bank 1)
• P2091Camshaft Position B Actuator Control Circuit High (Bank 1)
• P2092A Camshaft Position Actuator Control Circuit Low (Bank 2)
• P2093A Camshaft Position Actuator Control Circuit High (Bank 2)
• P2094B Camshaft Position Actuator Control Circuit Low (Bank 2)
• P2095B Camshaft Position Actuator Control Circuit High (Bank 2)
• P2096Post Catalyst Fuel Trim System Too Lean (Bank 1)
• P2097Post Catalyst Fuel Trim System Too Rich (Bank 1)
• P2098Post Catalyst Fuel Trim System Too Lean (Bank 2)
• P2099Post Catalyst Fuel Trim System Too Rich (Bank 2)
• P209AReductant Injection Air Pressure Sensor B Circuit
• P209BReductant Injection Air Pressure Sensor B Circuit Range/Performance
• P209CReductant Injection Air Pressure Sensor B Circuit Low
• P209DReductant Injection Air Pressure Sensor B Circuit High
• P209EReductant Injection Air Pressure Sensor A/B Correlation
• P209FReductant Tank Heater Control Circuit Performance
• P20A0Reductant Purge Control Valve A Circuit/Open
• P20A1Reductant Purge Control Valve A Performance
• P20A2Reductant Purge Control Valve A Circuit Low
• P20A3Reductant Purge Control Valve A Circuit High
• P20A4Reductant Purge Control Valve A Stuck Open
• P20A5Reductant Purge Control Valve A Stuck Closed
• P20A6Reductant Injection Air Pressure Control Valve Circuit/Open
• P20A7Reductant Injection Air Pressure Control Valve Performance
• P20A8Reductant Injection Air Pressure Control Valve Circuit Low
• P20A9Reductant Injection Air Pressure Control Valve Circuit High
• P20AAReductant Injection Air Pressure Control Valve Stuck Open
• P20ABReductant Injection Air Pressure Control Valve Stuck Closed
• P20ACReductant Metering Unit Temperature Sensor Circuit
• P20ADReductant Metering Unit Temperature Sensor Circuit Range/Performance
• P20AEReductant Metering Unit Temperature Sensor Circuit Low
• P20AFReductant Metering Unit Temperature Sensor Circuit High
• P20B0Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic
• P20B1Reductant Heater Coolant Control Valve Circuit/Open
• P20B2Reductant Heater Coolant Control Valve Performance/Stuck Open
• P20B3Reductant Heater Coolant Control Valve Circuit Low
• P20B4Reductant Heater Coolant Control Valve Circuit High
• P20B5Reductant Metering Unit Heater Control Circuit/Open
• P20B6Reductant Metering Unit Heater Control Circuit Performance
• P20B7Reductant Metering Unit Heater Control Circuit Low
• P20B8Reductant Metering Unit Heater Control Circuit High
• P20B9Reductant Heater A Control Circuit/Open
• P20BAReductant Heater A Control Performance
• P20BBReductant Heater A Control Circuit Low
• P20BCReductant Heater A Control Circuit High
• P20BDReductant Heater B Control Circuit/Open
• P20BEReductant Heater B Control Circuit Performance
• P20BFReductant Heater B Control Circuit Low
• P20C0Reductant Heater B Control Circuit High
• P20C1Reductant Heater C Control Circuit/Open
• P20C2Reductant Heater C Control Circuit Performance
• P20C3Reductant Heater C Control Circuit Low
• P20C4Reductant Heater C Control Circuit High
• P20C5Reductant Heater D Control Circuit/Open
• P20C6Reductant Heater D Control Circuit Performance
• P20C7Reductant Heater D Control Circuit Low
• P20C8Reductant Heater D Control Circuit High
• P20C9Reductant Control Module Requested MIL Illumination
• P20CAReductant Injection Air Pressure Leakage
• P20CBExhaust Aftertreatment Fuel Injector A Control Circuit/Open
• P20CCExhaust Aftertreatment Fuel Injector A Control Performance
• P20CDExhaust Aftertreatment Fuel Injector A Control Circuit Low
• P20CEExhaust Aftertreatment Fuel Injector A Control Circuit High
• P20CFExhaust Aftertreatment Fuel Injector A Stuck Open
• P20D0Exhaust Aftertreatment Fuel Injector A Stuck Closed
• P20D1Exhaust Aftertreatment Fuel Injector B Control Circuit/Open
• P20D2Exhaust Aftertreatment Fuel Injector B Control Performance
• P20D3Exhaust Aftertreatment Fuel Injector B Control Circuit Low
• P20D4Exhaust Aftertreatment Fuel Injector B Control Circuit High
• P20D5Exhaust Aftertreatment Fuel Injector B Stuck Open
• P20D6Exhaust Aftertreatment Fuel Injector B Stuck Closed
• P20D7Exhaust Aftertreatment Fuel Supply Control Circuit/Open
• P20D8Exhaust Aftertreatment Fuel Supply Control Performance
• P20D9Exhaust Aftertreatment Fuel Supply Control Circuit Low
• P20DAExhaust Aftertreatment Fuel Supply Control Circuit High
• P20DBExhaust Aftertreatment Fuel Supply Control Stuck Open
• P20DCExhaust Aftertreatment Fuel Supply Control Stuck Closed
• P20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit
• P20DEExhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance
• P20DFExhaust Aftertreatment Fuel Pressure Sensor Circuit Low
• P20E0Reductant Pressure Too Low
• P20E1Reductant Pressure Too Low
• P20E2Reductant Pressure Too High
• P20E3Exhaust Gas Temperature Sensor 1/3 Correlation (Bank 1)
• P20E4Exhaust Gas Temperature Sensor 2/3 Correlation (Bank 1)
• P20E5Exhaust Gas Temperature Sensor 1/2 Correlation (Bank 2)
• P20E6Reductant Injection Air Pressure Too Low
• P20E7Reductant Injection Air Pressure Too High
• P20E8Reductant Pressure Too Low
• P20E9Reductant Pressure Too High
• P20EAReductant Pump Control Circuit Open
• P20EBReductant Reservoir Heater "A" Control Circuit
• P20ECReductant Heater "A" Control Stuck Off
• P20EDReductant Heater "A" Control Stuck On
• P20EENOx Catalyst Efficiency Below Threshold (Bank 1)
• P20EFReductant Injection Valve Performance
• P20F0SCR NOx Catalyst Over Temperature (Bank 2)
• P20F1SCR NOx Pre-Catalyst Over Temperature (Bank 2)
• P20F2SCR NOx Catalyst Efficiency Below Threshold (Bank 2)
• P20F3SCR NOx Pre-Catalyst Efficiency Below Threshold (Bank 2)
• P20F4Reductant Consumption Too Low
• P20F5Reductant Consumption Too High
• P20F6Reductant Injection Valve Stuck Open (Bank 1 Unit 1)
• P20F7Reductant Injection Valve Stuck Open (Bank 2 Unit 1)
• P20F8Intake Manifold Runner Control Circuit Performance (Bank 1)
• P20F9Intake Manifold Runner Control Circuit Performance (Bank 2)
• P20FAReductant Pump B Control Circuit/Open
• P20FBReductant Pump B Control Performance/Stuck Off
• P20FCReductant Pump B Control Circuit Low
• P20FDReductant Pump B Control Circuit High
• P20FEReductant Metering Unit 1 Performance
• P20FFReductant Control Module Performance