P20xx

200 generic powertrain codes in the P20xx range.Engine, transmission, fuel, ignition and emissions control.

3 of these have been through editorial review and carry full diagnostic guidance.

Codes in this range

P2000NOx Adsorber Efficiency Below Threshold (Bank 1)Severity level 3 of 5: Diagnose soon.
P2001NOx Adsorber Efficiency Below Threshold (Bank 2)Severity level 3 of 5: Diagnose soon.
P2002Diesel Particulate Filter Efficiency Below Threshold (Bank 1)Severity level 3 of 5: Diagnose soon.
P2003Diesel Particulate Filter Efficiency Below Threshold (Bank 2)Severity level 4 of 5: Get it looked at now.
P2004Intake Manifold Runner Control Stuck Open (Bank 1)Severity level 3 of 5: Diagnose soon.
P2005Intake Manifold Runner Control Stuck Open (Bank 2)Severity level 3 of 5: Diagnose soon.
P2006Intake Manifold Runner Control Stuck Closed (Bank 1)Severity level 3 of 5: Diagnose soon.
P2007Intake Manifold Runner Control Stuck Closed (Bank 2)Severity level 3 of 5: Diagnose soon.
P2008Intake Manifold Runner Control Solenoid Circuit Open (Bank 1)Severity level 3 of 5: Diagnose soon.
P2009Intake Manifold Runner Control Solenoid Circuit Low (Bank 1)Severity level 3 of 5: Diagnose soon.
P200AIntake Manifold Runner Performance (Bank 1)Severity level 3 of 5: Diagnose soon.
P200BIntake Manifold Runner Performance (Bank 2)Severity level 3 of 5: Diagnose soon.
P200CParticulate Filter Over Temperature (Bank 1)Severity level 4 of 5: Get it looked at now.
P200DParticulate Filter Over Temperature (Bank 2)Severity level 3 of 5: Diagnose soon.
P200ECatalyst System Over Temperature (Bank 1)Severity level 4 of 5: Get it looked at now.
P200FCatalyst System Over Temperature (Bank 2)Severity level 3 of 5: Diagnose soon.
P2010Intake Manifold Runner Control Solenoid Circuit High (Bank 1)Severity level 3 of 5: Diagnose soon.
P2011Intake Manifold Runner Control Circuit/Open (Bank 2)Severity level 3 of 5: Diagnose soon.
P2012Intake Manifold Runner Control Circuit Low (Bank 2)Severity level 3 of 5: Diagnose soon.
P2013Intake Manifold Runner Control Circuit High (Bank 2)Severity level 3 of 5: Diagnose soon.
P2014Intake Manifold Runner Position Sensor/Switch Circuit (Bank 1)Severity level 3 of 5: Diagnose soon.
P2015Intake Manifold Runner Position Sensor/Switch Range/Performance (Bank 1)Severity level 3 of 5: Diagnose soon.
P2016Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1)Severity level 3 of 5: Diagnose soon.
P2017Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 1)Severity level 3 of 5: Diagnose soon.
P2018Intake Manifold Runner Position Sensor/Switch Circuit Open (Bank 2)Severity level 3 of 5: Diagnose soon.
P2019Intake Manifold Runner Position Sensor/Switch Range/Performance (Bank 2)Severity level 3 of 5: Diagnose soon.
P201AReductant Injection Valve Circuit Range/Performance (Bank 2 Unit 1)Severity level 4 of 5: Get it looked at now.
P201BIntake Manifold Runner Control Actuator Supply Voltage Low (Bank 1)Severity level 3 of 5: Diagnose soon.
P201CIntake Manifold Runner Control Actuator Supply Voltage Low (Bank 2)Severity level 3 of 5: Diagnose soon.
P201DIntake Manifold Runner Control Actuator Internal Performance (Bank 1)Severity level 3 of 5: Diagnose soon.
P201EIntake Manifold Runner Control Actuator Internal Performance (Bank 2)Severity level 3 of 5: Diagnose soon.
P201FReductant Pump A Stuck OnSeverity level 3 of 5: Diagnose soon.
P2020Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)Severity level 3 of 5: Diagnose soon.
P2021Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)Severity level 3 of 5: Diagnose soon.
P2022Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)Severity level 3 of 5: Diagnose soon.
P2023Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 2)Severity level 3 of 5: Diagnose soon.
P2024EVAP Fuel Vapor Temperature Sensor CircuitSeverity level 3 of 5: Diagnose soon.
P2025EVAP Fuel Vapor Temperature Sensor PerformanceSeverity level 3 of 5: Diagnose soon.
P2026EVAP Fuel Vapor Temperature Sensor Circuit Low VoltageSeverity level 3 of 5: Diagnose soon.
P2027EVAP Fuel Vapor Temperature Sensor Circuit High VoltageSeverity level 5 of 5: Stop driving.
P2028EVAP Fuel Vapor Temperature Sensor Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P2029Fuel Fired Heater DisabledSeverity level 2 of 5: Not urgent.
P202AReductant Tank Heater Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P202BReductant Tank Heater Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P202CReductant Tank Heater Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P202DReductant LeakageSeverity level 3 of 5: Diagnose soon.
P202EReductant Injection Valve Circuit Range/Performance (Bank 1 Unit 1)Severity level 3 of 5: Diagnose soon.
P202FReductant/Regeneration Supply Control Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P2030Fuel Fired Heater PerformanceSeverity level 2 of 5: Not urgent.
P2031Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2032Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2033Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)Severity level 4 of 5: Get it looked at now.
P2034Exhaust Gas Temperature Sensor Circuit (Bank 2 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2035Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2036Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2037Reductant Injection Air Pressure Sensor A CircuitSeverity level 3 of 5: Diagnose soon.
P2038Reductant Injection Air Pressure Sensor A Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P2039Reductant Injection Air Pressure Sensor A Circuit LowSeverity level 3 of 5: Diagnose soon.
P203AReductant Level Sensor A CircuitSeverity level 3 of 5: Diagnose soon.
P203BReductant Level Sensor A Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P203CReductant Level Sensor A Circuit LowSeverity level 3 of 5: Diagnose soon.
P203DReductant Level Sensor A Circuit HighSeverity level 3 of 5: Diagnose soon.
P203EReductant Level Sensor A Circuit Intermittent/ErraticSeverity level 3 of 5: Diagnose soon.
P203FReductant Level Too LowSeverity level 3 of 5: Diagnose soon.
P2040Reductant Injection Air Pressure Sensor A Circuit HighSeverity level 3 of 5: Diagnose soon.
P2041Reductant Injection Air Pressure Sensor A Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P2042Reductant Temperature Sensor A CircuitSeverity level 3 of 5: Diagnose soon.
P2043Reductant Temperature Sensor A Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P2044Reductant Temperature Sensor A Circuit LowSeverity level 3 of 5: Diagnose soon.
P2045Reductant Temperature Sensor A Circuit HighSeverity level 3 of 5: Diagnose soon.
P2046Reductant Temperature Sensor A Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P2047Reductant Injection Valve Circuit/Open (Bank 1 Unit 1)Severity level 3 of 5: Diagnose soon.
P2048Reductant Injection Valve Circuit Low (Bank 1 Unit 1)Severity level 3 of 5: Diagnose soon.
P2049Reductant Injection Valve Circuit High (Bank 1 Unit 1)Severity level 3 of 5: Diagnose soon.
P204AReductant Pressure Sensor CircuitSeverity level 3 of 5: Diagnose soon.
P204BReductant Pressure Sensor Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P204CReductant Pressure Sensor Circuit LowSeverity level 3 of 5: Diagnose soon.
P204DReductant Pressure Sensor Circuit HighSeverity level 3 of 5: Diagnose soon.
P204EReductant Pressure Sensor Circuit Intermittent/ErraticSeverity level 3 of 5: Diagnose soon.
P204FReductant System PerformanceSeverity level 4 of 5: Get it looked at now.
P2050Reductant Injection Valve Circuit/Open (Bank 2 Unit 1)Severity level 3 of 5: Diagnose soon.
P2051Reductant Injection Valve Circuit Low (Bank 2 Unit 1)Severity level 3 of 5: Diagnose soon.
P2052Reductant Injection Valve Circuit High (Bank 2 Unit 1)Severity level 3 of 5: Diagnose soon.
P2053Reductant Injection Valve Circuit/Open (Bank 1 Unit 2)Severity level 3 of 5: Diagnose soon.
P2054Reductant Injection Valve Circuit Low (Bank 1 Unit 2)Severity level 3 of 5: Diagnose soon.
P2055Reductant Injection Valve Circuit High (Bank 1 Unit 2)Severity level 3 of 5: Diagnose soon.
P2056Reductant Injection Valve Circuit/Open (Bank 2 Unit 2)Severity level 3 of 5: Diagnose soon.
P2057Reductant Injection Valve Circuit Low (Bank 2 Unit 2)Severity level 3 of 5: Diagnose soon.
P2058Reductant Injection Valve Circuit High (Bank 2 Unit 2)Severity level 3 of 5: Diagnose soon.
P2059Reductant Injection Air Pump Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P205AReductant Tank Temperature Sensor A CircuitSeverity level 3 of 5: Diagnose soon.
P205BReductant Tank Temperature Sensor A Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P205CReductant Tank Temperature Sensor A Circuit LowSeverity level 3 of 5: Diagnose soon.
P205DReductant Tank Temperature Sensor A Circuit HighSeverity level 3 of 5: Diagnose soon.
P205EReductant Tank Temperature Sensor A Circuit Intermittent/ErraticSeverity level 3 of 5: Diagnose soon.
P205FReductant System Performance (Bank 2)Severity level 4 of 5: Get it looked at now.
P2060Reductant Injection Air Pump Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P2061Reductant Injection Air Pump Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P2062Reductant/Regeneration Supply Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P2063Reductant/Regeneration Supply Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P2064Reductant/Regeneration Supply Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P2065Fuel Level Sensor B CircuitSeverity level 2 of 5: Not urgent.
P2066Fuel Level Sensor B PerformanceSeverity level 2 of 5: Not urgent.
P2067Fuel Level Sensor B Circuit LowSeverity level 2 of 5: Not urgent.
P2068Fuel Level Sensor B Circuit HighSeverity level 2 of 5: Not urgent.
P2069Fuel Level Sensor B Circuit IntermittentSeverity level 2 of 5: Not urgent.
P206AReductant Quality Sensor CircuitSeverity level 3 of 5: Diagnose soon.
P206BReductant Quality Sensor Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P206CReductant Quality Sensor Circuit LowSeverity level 3 of 5: Diagnose soon.
P206DReductant Quality Sensor Circuit HighSeverity level 3 of 5: Diagnose soon.
P206EIntake Manifold Tuning (IMT) Valve Stuck Open (Bank 2)Severity level 3 of 5: Diagnose soon.
P206FIntake Manifold Tuning (IMT) Valve Stuck Closed (Bank 2)Severity level 3 of 5: Diagnose soon.
P2070Intake Manifold Tuning (IMT) Valve Stuck Open (Bank 1)Severity level 3 of 5: Diagnose soon.
P2071Intake Manifold Tuning (IMT) Valve Stuck Closed (Bank 1)Severity level 3 of 5: Diagnose soon.
P2072Throttle Actuator Control System - Ice Blockage (Bank 1)Severity level 3 of 5: Diagnose soon.
P2073Manifold Absolute Pressure / Mass Air Flow - Throttle Position Correlation at IdleSeverity level 3 of 5: Diagnose soon.
P2074Manifold Absolute Pressure / Mass Air Flow - Throttle Position Correlation at Higher LoadSeverity level 3 of 5: Diagnose soon.
P2075Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit (Bank 1)Severity level 3 of 5: Diagnose soon.
P2076Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance (Bank 1)Severity level 3 of 5: Diagnose soon.
P2077Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low (Bank 1)Severity level 3 of 5: Diagnose soon.
P2078Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High (Bank 1)Severity level 3 of 5: Diagnose soon.
P2079Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 1)Severity level 3 of 5: Diagnose soon.
P207AIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit (Bank 2)Severity level 3 of 5: Diagnose soon.
P207BIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance (Bank 2)Severity level 3 of 5: Diagnose soon.
P207CIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low (Bank 2)Severity level 3 of 5: Diagnose soon.
P207DIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High (Bank 2)Severity level 3 of 5: Diagnose soon.
P207EIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 2)Severity level 3 of 5: Diagnose soon.
P207FReductant Quality PerformanceSeverity level 4 of 5: Get it looked at now.
P2080Exhaust Gas Temperature Sensor Range/Performance (Bank 1 Sensor 1)Severity level 3 of 5: Diagnose soon.
P2081Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 1)Severity level 3 of 5: Diagnose soon.
P2082Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 1)Severity level 3 of 5: Diagnose soon.
P2083Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 1)Severity level 3 of 5: Diagnose soon.
P2084Exhaust Gas Temperature Sensor Range/Performance (Bank 1 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2085Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2086Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2087Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 2)Severity level 3 of 5: Diagnose soon.
P2088Camshaft Position A Actuator Control Circuit Low (Bank 1)Severity level 3 of 5: Diagnose soon.
P2089Camshaft Position A Actuator Control Circuit High (Bank 1)Severity level 3 of 5: Diagnose soon.
P208AReductant Pump A Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P208BReductant Pump A Control Performance/Stuck OffSeverity level 3 of 5: Diagnose soon.
P208CReductant Pump A Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P208DReductant Pump A Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P208EReductant Injection Valve Stuck Closed (Bank 1 Unit 1)Severity level 4 of 5: Get it looked at now.
P208FReductant Injection Valve Stuck Closed (Bank 2 Unit 1)Severity level 3 of 5: Diagnose soon.
P2090Camshaft Position B Actuator Control Circuit Low (Bank 1)Severity level 3 of 5: Diagnose soon.
P2091Camshaft Position B Actuator Control Circuit High (Bank 1)Severity level 3 of 5: Diagnose soon.
P2092A Camshaft Position Actuator Control Circuit Low (Bank 2)Severity level 3 of 5: Diagnose soon.
P2093A Camshaft Position Actuator Control Circuit High (Bank 2)Severity level 3 of 5: Diagnose soon.
P2094B Camshaft Position Actuator Control Circuit Low (Bank 2)Severity level 3 of 5: Diagnose soon.
P2095B Camshaft Position Actuator Control Circuit High (Bank 2)Severity level 3 of 5: Diagnose soon.
P2096Post Catalyst Fuel Trim System Too Lean (Bank 1)Severity level 3 of 5: Diagnose soon.
P2097Post Catalyst Fuel Trim System Too Rich (Bank 1)Severity level 3 of 5: Diagnose soon.
P2098Post Catalyst Fuel Trim System Too Lean (Bank 2)Severity level 3 of 5: Diagnose soon.
P2099Post Catalyst Fuel Trim System Too Rich (Bank 2)Severity level 3 of 5: Diagnose soon.
P209AReductant Injection Air Pressure Sensor B CircuitSeverity level 3 of 5: Diagnose soon.
P209BReductant Injection Air Pressure Sensor B Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P209CReductant Injection Air Pressure Sensor B Circuit LowSeverity level 3 of 5: Diagnose soon.
P209DReductant Injection Air Pressure Sensor B Circuit HighSeverity level 3 of 5: Diagnose soon.
P209EReductant Injection Air Pressure Sensor A/B CorrelationSeverity level 3 of 5: Diagnose soon.
P209FReductant Tank Heater Control Circuit PerformanceSeverity level 3 of 5: Diagnose soon.
P20A0Reductant Purge Control Valve A Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20A1Reductant Purge Control Valve A PerformanceSeverity level 3 of 5: Diagnose soon.
P20A2Reductant Purge Control Valve A Circuit LowSeverity level 3 of 5: Diagnose soon.
P20A3Reductant Purge Control Valve A Circuit HighSeverity level 3 of 5: Diagnose soon.
P20A4Reductant Purge Control Valve A Stuck OpenSeverity level 3 of 5: Diagnose soon.
P20A5Reductant Purge Control Valve A Stuck ClosedSeverity level 3 of 5: Diagnose soon.
P20A6Reductant Injection Air Pressure Control Valve Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20A7Reductant Injection Air Pressure Control Valve PerformanceSeverity level 3 of 5: Diagnose soon.
P20A8Reductant Injection Air Pressure Control Valve Circuit LowSeverity level 3 of 5: Diagnose soon.
P20A9Reductant Injection Air Pressure Control Valve Circuit HighSeverity level 3 of 5: Diagnose soon.
P20AAReductant Injection Air Pressure Control Valve Stuck OpenSeverity level 3 of 5: Diagnose soon.
P20ABReductant Injection Air Pressure Control Valve Stuck ClosedSeverity level 4 of 5: Get it looked at now.
P20ACReductant Metering Unit Temperature Sensor CircuitSeverity level 3 of 5: Diagnose soon.
P20ADReductant Metering Unit Temperature Sensor Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P20AEReductant Metering Unit Temperature Sensor Circuit LowSeverity level 3 of 5: Diagnose soon.
P20AFReductant Metering Unit Temperature Sensor Circuit HighSeverity level 3 of 5: Diagnose soon.
P20B0Reductant Metering Unit Temperature Sensor Circuit Intermittent/ErraticSeverity level 3 of 5: Diagnose soon.
P20B1Reductant Heater Coolant Control Valve Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20B2Reductant Heater Coolant Control Valve Performance/Stuck OpenSeverity level 3 of 5: Diagnose soon.
P20B3Reductant Heater Coolant Control Valve Circuit LowSeverity level 3 of 5: Diagnose soon.
P20B4Reductant Heater Coolant Control Valve Circuit HighSeverity level 3 of 5: Diagnose soon.
P20B5Reductant Metering Unit Heater Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20B6Reductant Metering Unit Heater Control Circuit PerformanceSeverity level 3 of 5: Diagnose soon.
P20B7Reductant Metering Unit Heater Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P20B8Reductant Metering Unit Heater Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P20B9Reductant Heater A Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20BAReductant Heater A Control PerformanceSeverity level 3 of 5: Diagnose soon.
P20BBReductant Heater A Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P20BCReductant Heater A Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P20BDReductant Heater B Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20BEReductant Heater B Control Circuit PerformanceSeverity level 3 of 5: Diagnose soon.
P20BFReductant Heater B Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P20C0Reductant Heater B Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P20C1Reductant Heater C Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20C2Reductant Heater C Control Circuit PerformanceSeverity level 3 of 5: Diagnose soon.
P20C3Reductant Heater C Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P20C4Reductant Heater C Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P20C5Reductant Heater D Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P20C6Reductant Heater D Control Circuit PerformanceSeverity level 3 of 5: Diagnose soon.
P20C7Reductant Heater D Control Circuit LowSeverity level 3 of 5: Diagnose soon.