Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P2A23 Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off

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

P · PowertrainEngineOBD2

What P2A23 means

P2A23
Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off Generic · engine Data confidence 65%

The control module determined that the Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/ did not change state as commanded and appears stuck.

Related and nearby codes

How to read P2A23

P

Powertrain: engine, transmission and driveline systems.

2

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

A23

Specific fault index within the subsystem.

Frequently asked questions about P2A23

What does P2A23 mean?

Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off. The control module determined that the Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/ did not change state as commanded and appears stuck.

Is P2A23 generic or manufacturer-specific?

P2A23 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2A23 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 tuningDyno-tested results by model and engine See the results →

← Search the full DTC database