Diagnostic library

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

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.

Electrical & Charging System Check soon Clear all

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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 937–960 of 1570

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P0DC6Hybrid/EV Battery Cell Balancing Circuit G Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DC6 concerns hybrid/ev battery cell balancing circuit g stuck off. Learn what this fault indicates and where to begin diagnosis.P0DC7Hybrid/EV Battery Cell Balancing Circuit G Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DC7 concerns hybrid/ev battery cell balancing circuit g range/performance. Learn what this fault indicates and where to begin diagnosis.P0DC8Hybrid/EV Battery Cell Balancing Circuit HCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DC8 concerns hybrid/ev battery cell balancing circuit h. Learn what this fault indicates and where to begin diagnosis.P0DC9Hybrid/EV Battery Cell Balancing Circuit H Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DC9 concerns hybrid/ev battery cell balancing circuit h stuck on. Learn what this fault indicates and where to begin diagnosis.P0DCAHybrid/EV Battery Cell Balancing Circuit H Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DCA concerns hybrid/ev battery cell balancing circuit h stuck off. Learn what this fault indicates and where to begin diagnosis.P0DCBHybrid/EV Battery Cell Balancing Circuit H Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DCB concerns hybrid/ev battery cell balancing circuit h range/performance. Learn what this fault indicates and where to begin diagnosis.P0DCCHybrid/EV Battery Cell Balancing Circuit ICheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DCC concerns hybrid/ev battery cell balancing circuit i. Learn what this fault indicates and where to begin diagnosis.P0DCDHybrid/EV Battery Cell Balancing Circuit I Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DCD concerns hybrid/ev battery cell balancing circuit i stuck on. Learn what this fault indicates and where to begin diagnosis.P0DCEHybrid/EV Battery Cell Balancing Circuit I Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DCE concerns hybrid/ev battery cell balancing circuit i stuck off. Learn what this fault indicates and where to begin diagnosis.P0DCFHybrid/EV Battery Cell Balancing Circuit I Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DCF concerns hybrid/ev battery cell balancing circuit i range/performance. Learn what this fault indicates and where to begin diagnosis.P0DD0Hybrid/EV Battery Cell Balancing Circuit JCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD0 concerns hybrid/ev battery cell balancing circuit j. Learn what this fault indicates and where to begin diagnosis.P0DD1Hybrid/EV Battery Cell Balancing Circuit J Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD1 concerns hybrid/ev battery cell balancing circuit j stuck on. Learn what this fault indicates and where to begin diagnosis.P0DD2Hybrid/EV Battery Cell Balancing Circuit J Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD2 concerns hybrid/ev battery cell balancing circuit j stuck off. Learn what this fault indicates and where to begin diagnosis.P0DD3Hybrid/EV Battery Cell Balancing Circuit J Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD3 concerns hybrid/ev battery cell balancing circuit j range/performance. Learn what this fault indicates and where to begin diagnosis.P0DD4Hybrid/EV Battery Cell Balancing Circuit KCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD4 concerns hybrid/ev battery cell balancing circuit k. Learn what this fault indicates and where to begin diagnosis.P0DD5Hybrid/EV Battery Cell Balancing Circuit K Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD5 concerns hybrid/ev battery cell balancing circuit k stuck on. Learn what this fault indicates and where to begin diagnosis.P0DD6Hybrid/EV Battery Cell Balancing Circuit K Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD6 concerns hybrid/ev battery cell balancing circuit k stuck off. Learn what this fault indicates and where to begin diagnosis.P0DD7Hybrid/EV Battery Cell Balancing Circuit K Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD7 concerns hybrid/ev battery cell balancing circuit k range/performance. Learn what this fault indicates and where to begin diagnosis.P0DD8Hybrid/EV Battery Cell Balancing Circuit LCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD8 concerns hybrid/ev battery cell balancing circuit l. Learn what this fault indicates and where to begin diagnosis.P0DD9Hybrid/EV Battery Cell Balancing Circuit L Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DD9 concerns hybrid/ev battery cell balancing circuit l stuck on. Learn what this fault indicates and where to begin diagnosis.P0DDAHybrid/EV Battery Cell Balancing Circuit L Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DDA concerns hybrid/ev battery cell balancing circuit l stuck off. Learn what this fault indicates and where to begin diagnosis.P0DDBHybrid/EV Battery Cell Balancing Circuit L Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DDB concerns hybrid/ev battery cell balancing circuit l range/performance. Learn what this fault indicates and where to begin diagnosis.P0DDCHybrid/EV Battery Cell Balancing Circuit MCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DDC concerns hybrid/ev battery cell balancing circuit m. Learn what this fault indicates and where to begin diagnosis.P0DDDHybrid/EV Battery Cell Balancing Circuit M Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DDD concerns hybrid/ev battery cell balancing circuit m stuck on. Learn what this fault indicates and where to begin diagnosis.