Diagnostic library

Find an OBD2 code

Search the code from your scanner, then narrow the library by system, severity, or code family.

9,253 diagnostic guides

Sort

Find codes by symptomChoose what you notice to search matching code guides.

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.

P · Powertrain Clear all

Quick browse

Choose a vehicle system

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

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

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

Vehicle coverage

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

Diagnostic codes

Showing 6289–6312 of 7353

Most searched first

P2BE3Hybrid/EV Battery Coolant Level Sensor Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE3 relates to hybrid/ev battery coolant level sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BE4Hybrid/EV Battery Pack Current Sensor C CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE4 relates to hybrid/ev battery pack current sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BE5Hybrid/EV Battery Pack Current Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE5 relates to hybrid/ev battery pack current sensor c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BE6Hybrid/EV Battery Pack Current Sensor C LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE6 relates to hybrid/ev battery pack current sensor c low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BE7Hybrid/EV Battery Pack Current Sensor C HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE7 relates to hybrid/ev battery pack current sensor c high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BE8Hybrid/EV Battery Precharge Contactor Control Circuit B OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE8 relates to hybrid/ev battery precharge contactor control circuit b open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BE9Hybrid/EV Battery Precharge Contactor Control Circuit B Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BE9 relates to hybrid/ev battery precharge contactor control circuit b range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BEAHybrid/EV Battery Precharge Contactor Control Circuit B LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BEA relates to hybrid/ev battery precharge contactor control circuit b low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BEBHybrid/EV Battery Precharge Contactor Control Circuit B HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2BEB relates to hybrid/ev battery precharge contactor control circuit b high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BECFuel Control System A Too Lean Bank 1Check soonFuel System30–120 minutes for initial diagnosisP2BEC relates to fuel control system a too lean bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BEDFuel Control System A Too Rich Bank 1Check soonFuel System30–120 minutes for initial diagnosisP2BED relates to fuel control system a too rich bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BEEFuel Control System A Too Lean Bank 2Check soonFuel System30–120 minutes for initial diagnosisP2BEE relates to fuel control system a too lean bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BEFFuel Control System A Too Rich Bank 2Check soonFuel System30–120 minutes for initial diagnosisP2BEF relates to fuel control system a too rich bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF0Fuel Control System B Too Lean Bank 1Check soonFuel System30–120 minutes for initial diagnosisP2BF0 relates to fuel control system b too lean bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF1Fuel Control System B Too Rich Bank 1Check soonFuel System30–120 minutes for initial diagnosisP2BF1 relates to fuel control system b too rich bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF2Fuel Control System B Too Lean Bank 2Check soonFuel System30–120 minutes for initial diagnosisP2BF2 relates to fuel control system b too lean bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF3Fuel Control System B Too Rich Bank 2Check soonFuel System30–120 minutes for initial diagnosisP2BF3 relates to fuel control system b too rich bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF4Exhaust Flow Control Valve A Position CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BF4 relates to exhaust flow control valve a position circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF5Exhaust Flow Control Valve A Position Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BF5 relates to exhaust flow control valve a position circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF6Exhaust Flow Control Valve A Position Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BF6 relates to exhaust flow control valve a position circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF7Exhaust Flow Control Valve A Position Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BF7 relates to exhaust flow control valve a position circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF8Exhaust Flow Control Valve B Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BF8 relates to exhaust flow control valve b control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BF9Exhaust Flow Control Valve B Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BF9 relates to exhaust flow control valve b control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BFAExhaust Flow Control Valve B Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2BFA relates to exhaust flow control valve b control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.