Smart fault codes
2,388 codes · 84 vehicle records · 75 ECU records · 14,877 live-data parameters
Codes 2,388
| Code | Description | Brands | System |
|---|---|---|---|
| P208F | Reductant Injection Valve Stuck Closed | 21 | Powertrain |
| P2090 | B Camshaft Position Actuator Control Circuit Low (Bank 1) | 34 | Powertrain |
| P2091 | B Camshaft Position Actuator Control Circuit High (Bank 1) | 34 | Powertrain |
| P2092 | A Camshaft Position Actuator Control Circuit Low Bank 2b | 32 | Powertrain |
| P2093 | A Camshaft Position Actuator Control Circuit High (Bank 2) | 32 | Powertrain |
| P2096 | Post Catalyst Fuel Trim System Too Lean (Bank 1) | 38 | Powertrain |
| P2097 | Post Catalyst Fuel Trim System Too Rich (Bank 1) | 40 | Powertrain |
| P2098 | Post Catalyst Fuel Trim System Too Lean (Bank 2) | 36 | Powertrain |
| P2099 | Post Catalyst Fuel Trim System Too Rich (Bank 2) | 35 | Powertrain |
| P209A | Reductant injection air pressure sensor 'B' circuit | 21 | Powertrain |
| P209B | Reductant injection air pressure sensor 'B' circuit range/performance | 22 | Powertrain |
| P209C | Reductant injection air pressure sensor 'B' circuit low | 21 | Powertrain |
| P209D | Reductant injection air pressure sensor 'B' circuit high | 21 | Powertrain |
| P209E | Reductant injection air pressure sensor 'A'/'B' correlation | 21 | Powertrain |
| P209F | Reductant Tank Heater Control Circuit Performance | 27 | Powertrain |
| P20A0 | Reductant Purge Control Valve A Circuit /Open | 27 | Powertrain |
| P20A1 | Reductant Purge Control Valve A Performance | 27 | Powertrain |
| P20A2 | Reductant Purge Control Valve Circuit Low | 27 | Powertrain |
| P20A5 | Reductant Purge Control Valve A Stuck Closed | 23 | Powertrain |
| P20A6 | Reductant injection air pressure control valve circuit/open | 21 | Powertrain |
| P20AD | Reductant Metering Unit Temperature Sensor Circuit Range/Performance | 25 | Powertrain |
| P20AE | Reductant Metering Unit Temperature Sensor Circuit Low | 24 | Powertrain |
| P20AF | Reductant metering unit temperature sensor circuit high | 21 | Powertrain |
| P20B0 | Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic | 23 | Powertrain |
| P20B1 | Reductant Heater Coolant Control Valve Circuit/Open | 24 | Powertrain |
| P20B2 | Reductant Heater Coolant Control Valve Performance/Stuck Open | 26 | Powertrain |
| P20B3 | Reductant Heater Coolant Control Valve Circuit Low | 24 | Powertrain |
| P20B4 | Reductant Heater Coolant Control Valve Circuit High | 24 | Powertrain |
| P20BE | Reductant heater 'B' control circuit performance | 26 | Powertrain |
| P20BF | Reductant heater 'B' control circuit low | 27 | Powertrain |
| P20C0 | Reductant Heater B Control Circuit High | 26 | Powertrain |
| P20C1 | Reductant Heater C Control Circuit/Open | 24 | Powertrain |
| P20C2 | Reductant Heater C Control Circuit Performance | 26 | Powertrain |
| P20C3 | Reductant Heater C Control Circuit Low | 25 | Powertrain |
| P20C4 | Reductant Heater C Control Circuit High | 24 | Powertrain |
| P20C5 | Reductant heater 'D' control circuit/open | 21 | Powertrain |
| P20C6 | Reductant heater 'D' control circuit performance | 22 | Powertrain |
| P20C7 | Reductant heater 'D' control circuit low | 21 | Powertrain |
| P20CB | Exhaust Aftertreatment Fuel Injector A Control Circuit/Open | 27 | Powertrain |
| P20CD | Exhaust Aftertreatment Fuel Injector A Control Circuit Low | 28 | Powertrain |
| P20CE | Exhaust Aftertreatment Fuel Injector A Control Circuit High | 28 | Powertrain |
| P20D0 | Exhaust Aftertreatment Fuel Injector A Stuck Closed | 24 | Powertrain |
| P20D1 | Exhaust aftertreatment fuel injector 'B' control circuit/open | 21 | Powertrain |
| P20D2 | Exhaust aftertreatment fuel injector 'B' control performance | 21 | Powertrain |
| P20D3 | Exhaust aftertreatment fuel injector 'B' control circuit low | 21 | Powertrain |
| P20D4 | Exhaust aftertreatment fuel injector 'B' control circuit high | 22 | Powertrain |
| P20D8 | Exhaust aftertreatment fuel supply control performance | 22 | Powertrain |
| P20D9 | Exhaust aftertreatment fuel supply control circuit low | 22 | Powertrain |
| P20DA | Exhaust Aftertreatment Fuel Supply Control Circuit High | 25 | Powertrain |
| P20DB | Exhaust aftertreatment fuel supply control stuck open | 22 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.