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P0420Catalyst efficiency below threshold · Bank 1350 Manufacturer communicationsP0430Catalyst efficiency below threshold · Bank 2185 Manufacturer communicationsP0442Evaporative emission system leak detected · Small leak278 Manufacturer communicationsP0443EVAP Purge Solenoid CircuitDodge · Manufacturer wording25 Manufacturer communicationsP0446EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL MALFUNCTIONToyota · Manufacturer wording73 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 communicationsP0459PURGE CONTROL VALVE CIRCUIT HIGHLand Rover · Manufacturer wording2 Manufacturer communicationsP0461Fuel Level Sensor 1 PerformanceJeep · Manufacturer wording105 Manufacturer communicationsP0506Idle Speed Performance Lower Than ExpectedJeep · Manufacturer wording85 Manufacturer communicationsP050DCold Start Rough Idle stored in the ECM memoryJeep · Manufacturer wording83 Manufacturer communicationsP0521Engine oil pressure sensor performance50 Manufacturer communicationsP0575Code meaning and manufacturer information3 Manufacturer communicationsP0601PCM MEMORY CHECK SUM ERRORMazda · Manufacturer wording40 Manufacturer communicationsP0602Code meaning and manufacturer information7 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 communicationsP0615Starter Control Circuit-Signal Plausibility FailureJeep · Manufacturer wording14 Manufacturer communicationsP0622Code meaning and manufacturer information11 Manufacturer communicationsP0628Code meaning and manufacturer information1 Manufacturer communicationsP062FInternal Control Module EEPROM ErrorSubaru · Manufacturer wording22 Manufacturer communicationsP0638Throttle valve actuator control range/performance problem (one drive cycle DTC)Mazda · Manufacturer wording16 Manufacturer communicationsP0641Code meaning and manufacturer information11 Manufacturer communicationsP0651Code meaning and manufacturer information2 Manufacturer communicationsP06A3Sensor Reference Voltage "D" Circuit/OpenJeep · Manufacturer wording9 Manufacturer communicationsP06DDEngine Oil Pressure Control Circuit Stuck OffJeep · Manufacturer wording85 Manufacturer communications