The control module judged the Gear Shift Position Circuit B behaviour implausible for the current operating conditions.
TuningBot DTC Database · v4.37.15
P091B Gear Shift Position Circuit B Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P091B means
Related and nearby codes
How to read P091B
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P091B
What does P091B mean?
Gear Shift Position Circuit B Range/Performance. The control module judged the Gear Shift Position Circuit B behaviour implausible for the current operating conditions.
Is P091B generic or manufacturer-specific?
P091B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P091B 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic
