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TuningBot DTC Database · v4.37.15

P1422 Toyota - Fuel Tank Small leak

Manufacturer-specific interpretation for Toyota. All interpretations of P1422

P · PowertrainEngineOBD2

What P1422 means

P1422
Fuel Tank Small leak Toyota · engine Data confidence 62%

The control module detected a condition consistent with a leak affecting the Fuel Tank Small. This is the manufacturer-specific definition used by Toyota.

Related and nearby codes

How to read P1422

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

422

Specific fault index within the subsystem.

Frequently asked questions about P1422

What does P1422 mean?

Fuel Tank Small leak. The control module detected a condition consistent with a leak affecting the Fuel Tank Small. This is the manufacturer-specific definition used by Toyota.

Is P1422 generic or manufacturer-specific?

P1422 is a manufacturer-specific code. In this database it is documented for: Toyota. The same number can mean something different on other brands.

Can TuningBot remove P1422 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

ECU tuningStage 1 dyno results for Toyota engines See the results →

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