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9,253 diagnostic guides

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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.

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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 865–888 of 975

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P2B19Cylinder 5 Injection Pulse Offset Exceeded Learning LimitCheck soonFuel System30–120 minutes for initial diagnosisP2B19 relates to cylinder 5 injection pulse offset exceeded learning limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B1ACylinder 6 Injection Pulse Offset Not LearnedCheck soonFuel System30–120 minutes for initial diagnosisP2B1A relates to cylinder 6 injection pulse offset not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B1BCylinder 6 Injection Pulse Offset Exceeded Learning LimitCheck soonFuel System30–120 minutes for initial diagnosisP2B1B relates to cylinder 6 injection pulse offset exceeded learning limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B1CCylinder 7 Injection Pulse Offset Not LearnedCheck soonFuel System30–120 minutes for initial diagnosisP2B1C relates to cylinder 7 injection pulse offset not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B1DCylinder 7 Injection Pulse Offset Exceeded Learning LimitCheck soonFuel System30–120 minutes for initial diagnosisP2B1D relates to cylinder 7 injection pulse offset exceeded learning limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B1ECylinder 8 Injection Pulse Offset Not LearnedCheck soonFuel System30–120 minutes for initial diagnosisP2B1E relates to cylinder 8 injection pulse offset not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B1FCylinder 8 Injection Pulse Offset Exceeded Learning LimitCheck soonFuel System30–120 minutes for initial diagnosisP2B1F relates to cylinder 8 injection pulse offset exceeded learning limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B95Cold Start Injection Pulse PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2B95 relates to cold start injection pulse performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B96Injection Pulse PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2B96 relates to injection pulse performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BB0Alternative Fuel Consumption Too LowCheck soonFuel System30–120 minutes for initial diagnosisP2BB0 relates to alternative fuel consumption too low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BB1Alternative Fuel Consumption Too HighCheck soonFuel System30–120 minutes for initial diagnosisP2BB1 relates to alternative fuel consumption too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BB2Alternative Fuel Tank EmptyCheck soonFuel System30–120 minutes for initial diagnosisP2BB2 relates to alternative fuel tank empty. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BB3Fuel Pump Secondary Circuit PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2BB3 relates to fuel pump secondary circuit performance. 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.P2C00Fuel Pressure Regulator C PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2C00 relates to fuel pressure regulator c performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2C01Fuel Pressure Regulator D PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2C01 relates to fuel pressure regulator d performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2C02Fuel Pressure Regulator D Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP2C02 relates to fuel pressure regulator d control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.