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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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Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

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 7873–7896 of 8256

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U0681Lost Communication With Throttle/Pedal Position Sensor/Switch DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0681 concerns lost communication with throttle/pedal position sensor/switch d. Learn what this fault indicates and where to begin diagnosis.U0682Lost Communication With Throttle/Pedal Position Sensor/Switch ECheck soonNetwork & Communication45–120 minutes for initial diagnosisU0682 concerns lost communication with throttle/pedal position sensor/switch e. Learn what this fault indicates and where to begin diagnosis.U0683Lost Communication With Throttle/Pedal Position Sensor/Switch FCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0683 concerns lost communication with throttle/pedal position sensor/switch f. Learn what this fault indicates and where to begin diagnosis.U0684Lost Communication With Catalyst Temperature Bank 1 Sensor 1Check soonNetwork & Communication45–120 minutes for initial diagnosisU0684 concerns lost communication with catalyst temperature bank 1 sensor 1. Learn what this fault indicates and where to begin diagnosis.U0685Lost Communication With Catalyst Temperature Bank 1 Sensor 2Check soonNetwork & Communication45–120 minutes for initial diagnosisU0685 concerns lost communication with catalyst temperature bank 1 sensor 2. Learn what this fault indicates and where to begin diagnosis.U0686Lost Communication With Catalyst Temperature Bank 2 Sensor 1Check soonNetwork & Communication45–120 minutes for initial diagnosisU0686 concerns lost communication with catalyst temperature bank 2 sensor 1. Learn what this fault indicates and where to begin diagnosis.U0687Lost Communication With Catalyst Temperature Bank 2 Sensor 2Check soonNetwork & Communication45–120 minutes for initial diagnosisU0687 concerns lost communication with catalyst temperature bank 2 sensor 2. Learn what this fault indicates and where to begin diagnosis.U0688Lost Communication With Throttle Position Sensor/Switch GCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0688 concerns lost communication with throttle position sensor/switch g. Learn what this fault indicates and where to begin diagnosis.U0689Lost Communication With Turbocharger/Supercharger B Temperature SensorCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0689 concerns lost communication with turbocharger/supercharger b temperature sensor. Learn what this fault indicates and where to begin diagnosis.U068ALost Communication With Barometric Pressure Sensor CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU068A concerns lost communication with barometric pressure sensor c. Learn what this fault indicates and where to begin diagnosis.U068BLost Communication With Turbocharger/Supercharger Inlet Pressure Sensor ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU068B concerns lost communication with turbocharger/supercharger inlet pressure sensor a. Learn what this fault indicates and where to begin diagnosis.U068CLost Communication With Turbocharger/Supercharger Inlet Pressure Sensor BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU068C concerns lost communication with turbocharger/supercharger inlet pressure sensor b. Learn what this fault indicates and where to begin diagnosis.U068DLost Communication With EGR Temperature Sensor ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU068D concerns lost communication with egr temperature sensor a. Learn what this fault indicates and where to begin diagnosis.U068ELost Communication With EGR Temperature Sensor BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU068E concerns lost communication with egr temperature sensor b. Learn what this fault indicates and where to begin diagnosis.U068FLost Communication With EGR Temperature Sensor CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU068F concerns lost communication with egr temperature sensor c. Learn what this fault indicates and where to begin diagnosis.U0690Lost Communication With EGR Temperature Sensor DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0690 concerns lost communication with egr temperature sensor d. Learn what this fault indicates and where to begin diagnosis.U0691Lost Communication With Exhaust Pressure Sensor ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0691 concerns lost communication with exhaust pressure sensor a. Learn what this fault indicates and where to begin diagnosis.U0692Lost Communication With Exhaust Pressure Sensor BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0692 concerns lost communication with exhaust pressure sensor b. Learn what this fault indicates and where to begin diagnosis.U0693Lost Communication With Humidity SensorCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0693 concerns lost communication with humidity sensor. Learn what this fault indicates and where to begin diagnosis.U0694Lost Communication With Hybrid/EV Battery Pack Coolant Pump ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0694 concerns lost communication with hybrid/ev battery pack coolant pump a. Learn what this fault indicates and where to begin diagnosis.U0695Lost Communication With Hybrid/EV Battery Pack Coolant Pump BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0695 concerns lost communication with hybrid/ev battery pack coolant pump b. Learn what this fault indicates and where to begin diagnosis.U0696Lost Communication With Particulate Filter Pressure Sensor CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0696 concerns lost communication with particulate filter pressure sensor c. Learn what this fault indicates and where to begin diagnosis.U0697Lost Communication With Particulate Filter Pressure Sensor DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0697 concerns lost communication with particulate filter pressure sensor d. Learn what this fault indicates and where to begin diagnosis.U0698Lost Communication with Coolant Pump “E”Check soonNetwork & Communication45–120 minutes for initial diagnosisU0698 concerns lost communication with coolant pump “e”. Learn what this fault indicates and where to begin diagnosis.