Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1423 Toyota - Fuel Tank Gross Leak

Manufacturer-specific interpretation for Toyota. All interpretations of P1423

P · PowertrainEngineOBD2

What P1423 means

P1423
Fuel Tank Gross Leak Toyota · engine Data confidence 62%

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

Related and nearby codes

How to read P1423

P

Powertrain: engine, transmission and driveline systems.

1

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

423

Specific fault index within the subsystem.

Frequently asked questions about P1423

What does P1423 mean?

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

Is P1423 generic or manufacturer-specific?

P1423 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 P1423 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 →

← Search the full DTC database