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Codes
A code index built from manufacturer communications filed with NHTSA in the United States. Vehicle-specific and enhanced codes are included; this is not a list of universal definitions.
6,142 Results
P04D0Cooled EGR Temperature Sensor Circuit LowRam · Manufacturer wording7 Manufacturer communicationsP04D1Cooled EGR Temperature Sensor Circuit HighRam · Manufacturer wording7 Manufacturer communicationsP04D2Code meaning and manufacturer information1 Manufacturer communicationsP04D5Code meaning and manufacturer information1 Manufacturer communicationsP04D6Code meaning and manufacturer information1 Manufacturer communicationsP04D9Code meaning and manufacturer information7 Manufacturer communicationsP04DACode meaning and manufacturer information2 Manufacturer communicationsP04DBcrankcase ventilation system disconnectedFord · Manufacturer wording67 Manufacturer communicationsP04DDCode meaning and manufacturer information2 Manufacturer communicationsP04DFEvap System Purge Control Valve 1 Performance/Stuck OpenJeep · Manufacturer wording2 Manufacturer communicationsP04E2Code meaning and manufacturer information1 Manufacturer communicationsP04E3Code meaning and manufacturer information4 Manufacturer communicationsP04ECEVAP System Large Leak Detected - Fuel Tank SideJeep · Manufacturer wording6 Manufacturer communicationsP04EDCode meaning and manufacturer information2 Manufacturer communicationsP04EEEVAP System Very Small Leak Detected - Fuel Tank SideJeep · Manufacturer wording10 Manufacturer communicationsP04EFCode meaning and manufacturer information3 Manufacturer communicationsP04F0EVAP system high pressure purge line performance evidentBentley · Manufacturer wording73 Manufacturer communicationsP04F1EVAP System Low Purge Flow DetectedHonda · Manufacturer wording4 Manufacturer communicationsP04FBCode meaning and manufacturer information15 Manufacturer communicationsP04FCCrankcase Ventilation System PerformanceJeep · Manufacturer wording21 Manufacturer communicationsP0500VEH SPEED SEN/CIRCNissan · Manufacturer wording24 Manufacturer communicationsP0501VEHICLE SPPED SENSOR MALFUNCTIONHonda · Manufacturer wording6 Manufacturer communicationsP0502Vehicle Speed Sensor (VSS) Circuit Low VoltageCadillac · Manufacturer wording10 Manufacturer communicationsP0503Vehicle Speed Sensor 1 ErraticChrysler · Manufacturer wording14 Manufacturer communicationsP0504Brake switch system: Circuit malfunctionMazda · Manufacturer wording16 Manufacturer communicationsP0505Idle Control SystemLexus · Manufacturer wording19 Manufacturer communicationsP0506Idle Speed Performance Lower Than ExpectedJeep · Manufacturer wording85 Manufacturer communicationsP0507Idle control system RPM higher than expected54 Manufacturer communicationsP0508Code meaning and manufacturer information2 Manufacturer communicationsP0509Code meaning and manufacturer information2 Manufacturer communications