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 9193–9216 of 9253

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P0764Shift Solenoid C IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0764 means Shift Solenoid C Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0766Shift Solenoid D Performance or Stuck OffCheck soonTransmission Issues45–120 minutes for initial diagnosisP0766 means Shift Solenoid D Performance or Stuck Off. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0767Shift Solenoid D Stuck OnCheck soonTransmission Issues45–120 minutes for initial diagnosisP0767 means Shift Solenoid D Stuck On. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0768Shift Solenoid D ElectricalCheck soonTransmission Issues45–120 minutes for initial diagnosisP0768 means Shift Solenoid D Electrical. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0769Shift Solenoid D IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0769 means Shift Solenoid D Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0771Shift Solenoid E Performance or Stuck OffCheck soonTransmission Issues45–120 minutes for initial diagnosisP0771 means Shift Solenoid E Performance or Stuck Off. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0772Shift Solenoid E Stuck OnCheck soonTransmission Issues45–120 minutes for initial diagnosisP0772 means Shift Solenoid E Stuck On. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0773Shift Solenoid E ElectricalCheck soonTransmission Issues45–120 minutes for initial diagnosisP0773 means Shift Solenoid E Electrical. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0774Shift Solenoid E IntermittentCheck soonTransmission Issues45–120 minutes for initial diagnosisP0774 means Shift Solenoid E Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0870Transmission Fluid Pressure Sensor CircuitTransmission IssuesDiagnose P0870 transmission fluid pressure sensor circuit code and common fixes.P2195O2 Sensor Signal Stuck Lean Bank 1 Sensor 1Sensors & ElectronicsFix P2195 oxygen sensor stuck lean code. Learn why the upstream O2 sensor reads stuck lean and how to fix it.U0002High Speed CAN Communication Bus PerformanceCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0002 means High Speed CAN Communication Bus Performance. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0003High Speed CAN Communication Bus Positive OpenCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0003 means High Speed CAN Communication Bus Positive Open. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0004High Speed CAN Communication Bus Positive LowCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0004 means High Speed CAN Communication Bus Positive Low. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0005High Speed CAN Communication Bus Positive HighCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0005 means High Speed CAN Communication Bus Positive High. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0006High Speed CAN Communication Bus Negative OpenCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0006 means High Speed CAN Communication Bus Negative Open. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0007High Speed CAN Communication Bus Negative LowCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0007 means High Speed CAN Communication Bus Negative Low. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0008High Speed CAN Communication Bus Negative HighCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0008 means High Speed CAN Communication Bus Negative High. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0009High Speed CAN Communication Bus Negative Shorted to PositiveCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0009 means High Speed CAN Communication Bus Negative Shorted to Positive. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0102Lost Communication With Transfer Case Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0102 means Lost Communication With Transfer Case Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0103Lost Communication With Gear Shift Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0103 means Lost Communication With Gear Shift Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0104Lost Communication With Cruise Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0104 means Lost Communication With Cruise Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0105Lost Communication With Fuel Injector Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0105 means Lost Communication With Fuel Injector Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.U0106Lost Communication With Glow Plug Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0106 means Lost Communication With Glow Plug Control Module. Review likely symptoms, causes, safety considerations, and a sensible diagnostic order.