Fuel tank pressure sensor - circuit range/performance
Honda · emissions
Data confidence62%
The control module judged the Fuel tank pressure signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Honda.
Possible causes
Wiring
blockage in EVAP canister/filter/vent hoses/drain joint
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
454
Specific fault index within the subsystem.
Frequently asked questions about P1454
What does P1454 mean?
Fuel tank pressure sensor - circuit range/performance. The control module judged the Fuel tank pressure signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Honda.
Is P1454 generic or manufacturer-specific?
P1454 is a manufacturer-specific code. In this database it is documented for: Honda. 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.
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