P20xx codes — Fuel & air metering and auxiliary emission controls
141 generic powertrain trouble codes from P2000 to P20FF. Each links to its page: what it means, how serious it is, and how to fix it.
- P2000NOx Adsorber Efficiency Below Threshold Bank 1
- P2001NOx Adsorber Efficiency Below Threshold Bank 2
- P2002Particulate Filter Efficiency Below Threshold Bank 1
- P2003Particulate Filter Efficiency Below Threshold Bank 2
- P2004Intake Manifold Runner Control Stuck Open Bank 1
- 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 Circuit/Open Bank 1
- P2009Intake Manifold Runner Control Circuit Low Bank 1
- P200AIssue in intake manifold runner bank 1
- P200BIssue in intake manifold runner bank 2
- P2010Intake Manifold Runner Control 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 Circuit 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 Intermittent Bank 1
- P2019Intake Manifold Runner Position Sensor/Switch Circuit Bank 2
- P201AIssue in right bank camshaft position sensor
- P201DIssue in fuel and air mixture formation unit adaptation
- P2020Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 2
- P2021Intake Manifold Runner Position Sensor/Switch Circuit Low 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
- P202BIssue in reductant tank heater control circuit
- P202EReductant Injection Valve Circuit Range/Performance Bank 1 Unit 1
- 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
- P203AIssue in reductant level sensor circuit
- P203BReductant Level Sensor Circuit Range/Performance
- P203DReductant Level Sensor Circuit High
- P203FLow Diesel Exhaust fluid level (Reductant)
- 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
- P204FReductant System Performance Bank 1
- 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
- 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 malfunction
- P206BReductant Quality Sensor Circuit Range/Performance
- P206EIntake Manifold Tuning (IMT) Valve Stuck Open
- 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
- P207FDiesel exhaust fluid (Reductant) Quality issue
- P2080Exhaust Gas Temperature Sensor Circuit 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 Circuit 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
- P2088A Camshaft Position Actuator Control Circuit Low Bank 1
- P2089A Camshaft Position Actuator Control Circuit High Bank 1
- P208AReductant Pump Control Circuit/Open
- P208CReductant Injection Valve Stuck Closed Bank 1 Unit 1
- P208EReductant injection valve stuck close (Bank 1 Unit 1)
- P2090B Camshaft Position Actuator Control Circuit Low Bank 1
- P2091B Camshaft Position 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
- P20A0Reductant Purge Control Valve Circuit /Open (for Tata vehicles: SCR relay or Urea backflow pump or Urea level issue)
- P20A2Reductant Purge Control Valve A Circuit Low (for Tata vehicles: SCR relay OR Urea supply/backflow pump malfunction)
- P20A3High input from reductant (diesel exhaust fluid) purge control valve circuit
- P20A6Reductant Injection Air Pressure Control Valve Circuit/Open
- P20B6Issue in reductant (diesel exhaust fluid) metering unit heater control circuit performance
- P20C9Reductant Control Module Requested MIL Illumination
- P20CBExhaust Aftertreatment Fuel Injector A Control Circuit/Open
- P20CEExhaust Aftertreatment Fuel Injector A Control Circuit High
- P20CFExhaust Aftertreatment Fuel Injector A Stuck Open
- P20D3Low voltage detcted in exhaust Aftertreatment Fuel Injector 'B' Control Circuit
- P20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit
- P20E6Reductant Injection Air Pressure Too Low
- P20E7Reductant Injection Air Pressure Too High
- P20E8Reductant Pressure is Inadequate
- P20EDSCR NOx Pre-Catalyst - Over Temperature Bank 1
- P20EESCR NOx Catalyst Efficiency Below Threshold (Bank 1 Catalyst 1)
- P20F4Reductant consumption low
- P20F5Reductant consumption high
- P20FCToo low voltage detected in the Reductant Pump 'B' control circuit
- P20FEReductant Metering Unit 1 Performance
- P20FFReductant Control Module Performance issue