Diagnostic library

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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

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 601–621 of 621

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P2EA9DC/AC Converter A Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP2EA9 relates to dc/ac converter a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EABActive Radiator Air Flow Control Module A Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP2EAB relates to active radiator air flow control module a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.U0131Lost Communication With Power Steering Control ModuleUrgentNetwork & Communication1–3 hours for initial diagnosisU0131 means Lost Communication With Power Steering Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0010Passenger Frontal Stage 1 Deployment ControlUrgentBody & Restraints1–3 hours for initial diagnosisB0010 means Passenger Frontal Stage 1 Deployment Control. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0011Passenger Frontal Stage 2 Deployment ControlUrgentBody & Restraints1–3 hours for initial diagnosisB0011 means Passenger Frontal Stage 2 Deployment Control. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0014Driver Side Deployment LoopUrgentBody & Restraints1–3 hours for initial diagnosisB0014 means Driver Side Deployment Loop. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0015Passenger Side Deployment LoopUrgentBody & Restraints1–3 hours for initial diagnosisB0015 means Passenger Side Deployment Loop. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0016Left Roof Rail Deployment LoopUrgentBody & Restraints1–3 hours for initial diagnosisB0016 means Left Roof Rail Deployment Loop. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0017Passenger Frontal Deployment Loop Stage 1UrgentBody & Restraints1–3 hours for initial diagnosisB0017 means Passenger Frontal Deployment Loop Stage 1. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0018Passenger Frontal Deployment Loop Stage 2UrgentBody & Restraints1–3 hours for initial diagnosisB0018 means Passenger Frontal Deployment Loop Stage 2. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0019Passenger Instrument Panel Air Bag Deployment Loop Stage 1UrgentBody & Restraints1–3 hours for initial diagnosisB0019 means Passenger Instrument Panel Air Bag Deployment Loop Stage 1. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0020Passenger Instrument Panel Air Bag Deployment Loop Stage 2UrgentBody & Restraints1–3 hours for initial diagnosisB0020 means Passenger Instrument Panel Air Bag Deployment Loop Stage 2. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0021Left Curtain Air Bag Deployment ControlUrgentBody & Restraints1–3 hours for initial diagnosisB0021 means Left Curtain Air Bag Deployment Control. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0022Right Curtain Air Bag Deployment ControlUrgentBody & Restraints1–3 hours for initial diagnosisB0022 means Right Curtain Air Bag Deployment Control. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0028Passenger Side Deployment LoopUrgentBody & Restraints1–3 hours for initial diagnosisB0028 means Passenger Side Deployment Loop. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.B0051Deployment CommandedUrgentBody & Restraints1–3 hours for initial diagnosisB0051 means Deployment Commanded. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.C0072Brake Temperature Too HighUrgentChassis & Brakes1–3 hours for initial diagnosisC0072 means Brake Temperature Too High. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.P0017Crankshaft Position–Camshaft Position Correlation Bank 1 Sensor BUrgentEngine Problems1–3 hours for initial diagnosisP0017 means Crankshaft Position–Camshaft Position Correlation Bank 1 Sensor B. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0018Crankshaft Position–Camshaft Position Correlation Bank 2 Sensor AUrgentEngine Problems1–3 hours for initial diagnosisP0018 means Crankshaft Position–Camshaft Position Correlation Bank 2 Sensor A. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0019Crankshaft Position–Camshaft Position Correlation Bank 2 Sensor BUrgentEngine Problems1–3 hours for initial diagnosisP0019 means Crankshaft Position–Camshaft Position Correlation Bank 2 Sensor B. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.U0129Lost Communication With Brake System Control ModuleUrgentNetwork & Communication1–3 hours for initial diagnosisU0129 means Lost Communication With Brake System Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.