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P0403EGR Control Circuit Open (Disabled Fault)Jeep · Manufacturer wording22 Manufacturer communicationsP0420Catalyst efficiency below threshold · Bank 1350 Manufacturer communicationsP0430Catalyst efficiency below threshold · Bank 2185 Manufacturer communicationsP0440General EVAP System FailureDodge · Manufacturer wording48 Manufacturer communicationsP0442Evaporative emission system leak detected · Small leak278 Manufacturer communicationsP0446EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL MALFUNCTIONToyota · Manufacturer wording73 Manufacturer communicationsP0449Evaporative Emission System - Vent Valve / Solenoid CircuitKia · Manufacturer wording21 Manufacturer communicationsP0451Fuel Tank PSI Sensor (FTPS / DPS) - Range Performance (No FTPS Change) There are no drivability symptoms associated with these DTC(s)Hyundai · Manufacturer wording57 Manufacturer communicationsP0452EVAP Pressure Switch Stuck ClosedDodge · Manufacturer wording27 Manufacturer communicationsP0453FUEL TANK PRESSURE SENSOR HIGH INPUTTHIS CONCERN MAY BE CAUSED BY ANTS ENTERING THE FTP SENSOR THROUGH AN OPENING (TO ATMOSPHERE)Mazda · Manufacturer wording15 Manufacturer communicationsP0454Fuel Tank Pressure Sensor Circuit IntermittentCadillac · Manufacturer wording9 Manufacturer communicationsP0455Evaporative emission system leak detected · Large leak185 Manufacturer communicationsP0461Fuel Level Sensor 1 PerformanceJeep · Manufacturer wording105 Manufacturer communicationsP0500VEH SPEED SEN/CIRCNissan · Manufacturer wording24 Manufacturer communicationsP050DCold Start Rough Idle stored in the ECM memoryJeep · Manufacturer wording83 Manufacturer communicationsP0513Invalid Skim Key - May set when pressing the remote start button on the Frequency Operated Button/Integrated Key (FOBIK) and Keyless Ignition Node (KIN) at the same timeJeep · Manufacturer wording34 Manufacturer communicationsP0521Engine oil pressure sensor performance50 Manufacturer communicationsP0522Engine Oil Pressure Sensor Circuit LowChrysler · Manufacturer wording17 Manufacturer communicationsP0523Code meaning and manufacturer information4 Manufacturer communicationsP054FCode meaning and manufacturer information12 Manufacturer communicationsP057BCode meaning and manufacturer information11 Manufacturer communicationsP057CCode meaning and manufacturer information9 Manufacturer communicationsP057DCode meaning and manufacturer information9 Manufacturer communicationsP0601PCM MEMORY CHECK SUM ERRORMazda · Manufacturer wording40 Manufacturer communicationsP0603ECM BACK UP/CIRCUITInfiniti · Manufacturer wording27 Manufacturer communicationsP0604Internal Control Module Random Access Memory Ram ErrorJeep · Manufacturer wording51 Manufacturer communicationsP0606Internal Control ProcessorDodge · Manufacturer wording165 Manufacturer communicationsP060BCode meaning and manufacturer information15 Manufacturer communicationsP061BInternal Control Module Torque Calculation PerformanceJeep · Manufacturer wording152 Manufacturer communicationsP0621Generator L-Terminal Circuit set as current or historyChevrolet · Manufacturer wording19 Manufacturer communications