The control module registered the fault condition described as "Evaporative emission (EVAP) canister purge valve - mechanical fault". This is the manufacturer-specific definition used by Suzuki.
Possible causes
EVAP canister purge valve
TuningBot DTC Database · v4.37.14
Manufacturer-specific interpretation for Suzuki. All interpretations of P1421
The control module registered the fault condition described as "Evaporative emission (EVAP) canister purge valve - mechanical fault". This is the manufacturer-specific definition used by Suzuki.
EVAP canister purge valve
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Evaporative emission (EVAP) canister purge valve - mechanical fault. The control module registered the fault condition described as "Evaporative emission (EVAP) canister purge valve - mechanical fault". This is the manufacturer-specific definition used by Suzuki.
P1421 is a manufacturer-specific code. In this database it is documented for: Suzuki. The same number can mean something different on other brands.
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Understand the system behind this code: EVAP System