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Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

Low priority P · Powertrain Clear all

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

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All severities9253 Low priority305 Check soon8256 Urgent621

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All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 169–192 of 298

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P2067Fuel Level Sensor B Circuit LowLow priorityFuel System30–120 minutes for initial diagnosisP2067 relates to fuel level sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2068Fuel Level Sensor B Circuit HighLow priorityFuel System30–120 minutes for initial diagnosisP2068 relates to fuel level sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2069Fuel Level Sensor B Circuit IntermittentLow priorityFuel System30–120 minutes for initial diagnosisP2069 relates to fuel level sensor b circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P20EESCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 1Low priorityEmissions System30–120 minutes for initial diagnosisP20EE relates to scr nox catalyst efficiency below threshold bank 1 catalyst 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P20EFSCR NOx Pre- Catalyst Efficiency Below Threshold Bank 1Low priorityEmissions System30–120 minutes for initial diagnosisP20EF relates to scr nox pre- catalyst efficiency below threshold bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P20F2SCR NOx Catalyst Efficiency Below Threshold Bank 2Low priorityEmissions System30–120 minutes for initial diagnosisP20F2 relates to scr nox catalyst efficiency below threshold bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P20F3SCR NOx Pre- Catalyst Efficiency Below Threshold Bank 2Low priorityEmissions System30–120 minutes for initial diagnosisP20F3 relates to scr nox pre- catalyst efficiency below threshold bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2400EVAP System Leak Detection Pump Control Circuit/OpenLow priorityEmissions System30–120 minutes for initial diagnosisP2400 relates to evap system leak detection pump control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2401EVAP System Leak Detection Pump Control Circuit LowLow priorityEmissions System30–120 minutes for initial diagnosisP2401 relates to evap system leak detection pump control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2402EVAP System Leak Detection Pump Control Circuit HighLow priorityEmissions System30–120 minutes for initial diagnosisP2402 relates to evap system leak detection pump control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2403EVAP System Leak Detection Pump Sense Circuit/OpenLow priorityEmissions System30–120 minutes for initial diagnosisP2403 relates to evap system leak detection pump sense circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2404EVAP System Leak Detection Pump Sense Circuit Range/PerformanceLow priorityEmissions System30–120 minutes for initial diagnosisP2404 relates to evap system leak detection pump sense circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2405EVAP System Leak Detection Pump Sense Circuit LowLow priorityEmissions System30–120 minutes for initial diagnosisP2405 relates to evap system leak detection pump sense circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2406EVAP System Leak Detection Pump Sense Circuit HighLow priorityEmissions System30–120 minutes for initial diagnosisP2406 relates to evap system leak detection pump sense circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2407EVAP System Leak Detection Pump Sense Circuit Intermittent/ErraticLow priorityEmissions System30–120 minutes for initial diagnosisP2407 relates to evap system leak detection pump sense circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2408Fuel Cap Sensor/Switch CircuitLow priorityFuel System30–120 minutes for initial diagnosisP2408 relates to fuel cap sensor/switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2409Fuel Cap Sensor/Switch Circuit Range/PerformanceLow priorityFuel System30–120 minutes for initial diagnosisP2409 relates to fuel cap sensor/switch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P240AEVAP System Leak Detection Pump Heater Control Circuit/OpenLow priorityEmissions System30–120 minutes for initial diagnosisP240A relates to evap system leak detection pump heater control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P240BEVAP System Leak Detection Pump Heater Control Circuit LowLow priorityEmissions System30–120 minutes for initial diagnosisP240B relates to evap system leak detection pump heater control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P240CEVAP System Leak Detection Pump Heater Control Circuit HighLow priorityEmissions System30–120 minutes for initial diagnosisP240C relates to evap system leak detection pump heater control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2410Fuel Cap Sensor/Switch Circuit LowLow priorityFuel System30–120 minutes for initial diagnosisP2410 relates to fuel cap sensor/switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2411Fuel Cap Sensor/Switch Circuit HighLow priorityFuel System30–120 minutes for initial diagnosisP2411 relates to fuel cap sensor/switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2412Fuel Cap Sensor/Switch Circuit Intermittent/ErraticLow priorityFuel System30–120 minutes for initial diagnosisP2412 relates to fuel cap sensor/switch circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2418EVAP System Switching Valve Control Circuit/OpenLow priorityEmissions System30–120 minutes for initial diagnosisP2418 relates to evap system switching valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.