Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P09A4 Gate Select Position Circuit B Low

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

P · PowertrainTransmissionOBD2

What P09A4 means

P09A4
Gate Select Position Circuit B Low Generic · transmission Data confidence 65%

The control module detected a fault associated with the Gate Select Position Circuit B Low circuit or function; the stored code identifies the affected component rather than a single failure mode.

Related and nearby codes

How to read P09A4

P

Powertrain: engine, transmission and driveline systems.

0

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

9A4

Specific fault index within the subsystem.

Frequently asked questions about P09A4

What does P09A4 mean?

Gate Select Position Circuit B Low. The control module detected a fault associated with the Gate Select Position Circuit B Low circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P09A4 generic or manufacturer-specific?

P09A4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P09A4 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