The control module detected a fault associated with the Evaporative Emission Control System Vacuum Test circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jaguar.
TuningBot DTC Database · v4.37.15
P1454 Jaguar - Evaporative Emission Control System Vacuum Test
Manufacturer-specific interpretation for Jaguar. All interpretations of P1454
What P1454 means
Related and nearby codes
How to read P1454
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1454
What does P1454 mean?
Evaporative Emission Control System Vacuum Test. The control module detected a fault associated with the Evaporative Emission Control System Vacuum Test circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jaguar.
Is P1454 generic or manufacturer-specific?
P1454 is a manufacturer-specific code. In this database it is documented for: Jaguar. The same number can mean something different on other brands.
Can TuningBot remove P1454 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: EVAP System
