The control module detected that the signal in the Transmission Range Control B Position Sensor/Switch circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P27F1 Transmission Range Control B Position Sensor/Switch Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P27F1 means
Related and nearby codes
How to read P27F1
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 P27F1
What does P27F1 mean?
Transmission Range Control B Position Sensor/Switch Circuit Low. The control module detected that the signal in the Transmission Range Control B Position Sensor/Switch circuit stayed below the expected operating range.
Is P27F1 generic or manufacturer-specific?
P27F1 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P27F1 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
