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TuningBot DTC Database · v4.37.15

P2A42 Alternative Fuel Tank B Pressure Sensor Range/Performance

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P2A42 means

P2A42
Alternative Fuel Tank B Pressure Sensor Range/Performance Generic · engine Data confidence 65%

The control module judged the Alternative Fuel Tank B Pressure behaviour implausible for the current operating conditions.

Related and nearby codes

How to read P2A42

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

A42

Specific fault index within the subsystem.

Frequently asked questions about P2A42

What does P2A42 mean?

Alternative Fuel Tank B Pressure Sensor Range/Performance. The control module judged the Alternative Fuel Tank B Pressure behaviour implausible for the current operating conditions.

Is P2A42 generic or manufacturer-specific?

P2A42 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2A42 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

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