Related DTCS

DTC No.	Monitoring Item	Link
P043E	Reference orifice low flow	Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission Pressure Switching Valve Stuck ON [10/2015 - ]
P043F	Reference orifice high flow
P0441	Purge VSV stuck closed Purge VSV stuck open Insufficient purge flow	Refer to DTC P0441: Evaporative Emission Control System Incorrect Purge Flow [10/2015 - ]
P0451	Canister pressure sensor (built into canister pump module) signal noise	Refer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input [10/2015 - 08/2018] , or refer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input [08/2018 - ]
P0452	Canister pressure sensor (built into canister pump module) voltage low
P0453	Canister pressure sensor (built into canister pump module) voltage high
P1420	Small or 0.02 inch leak from canister	Refer to DTC P1420: Evaporative Emission Canister Small Leak; DTC P1421: Evaporative Emission Canister Gross Leak [10/2015 - ]
P1421	Gross leak from canister
P1422	Small or 0.02 inch leak from fuel tank	Refer to DTC P1422: Fuel Tank Small Leak; DTC P1423: Fuel Tank Gross Leak [10/2015 - ]
P1423	Gross leak from fuel tank
P1451	Fuel tank pressure sensor signal noise Fuel tank pressure sensor signal fixed/flat	Refer to DTC P1451: Fuel Tank Pressure Sensor Range/Performance; DTC P1452: Fuel Tank Pressure Sensor Low Input; DTC P1453: Fuel Tank Pressure Sensor High Input [10/2015 - 08/2018] , or refer to DTC P1451: Fuel Tank Pressure Sensor Range/Performance; DTC P1452: Fuel Tank Pressure Sensor Low Input; DTC P1453: Fuel Tank Pressure Sensor High Input [08/2018 - ]
P1452	Fuel tank pressure sensor voltage low
P1453	Fuel tank pressure sensor voltage high
P2401	Leak detection pump (built into canister pump module) stuck off	Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission Pressure Switching Valve Stuck ON [10/2015 - ]
P2402	Leak detection pump (built into canister pump module) stuck on
P2419	Vent valve (built into canister pump module) stuck closed
P2420	Vent valve (built into canister pump module) stuck open (vent)	Refer to DTC P2420: Evaporative Emission Pressure Switching Valve Stuck OFF [10/2015 - ]
P2450	Fuel vapor-containment valve stuck open	Refer to DTC P2450: Fuel Vapor-containment Valve Stuck Open; DTC P2451: Fuel Vapor-containment Valve Stuck Closed [10/2015 - ]
P2451	Fuel vapor-containment valve stuck closed
P2610	Soak timer (built into ECM assembly)	Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance [10/2015 - ]