Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P27EF Transmission Range Control B Position Sensor/Switch Circuit/Open

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

P · PowertrainTransmissionOBD2

What P27EF means

P27EF
Transmission Range Control B Position Sensor/Switch Circuit/Open Generic · transmission Data confidence 65%

The control module detected an interruption (open circuit) in the Transmission Range Control B Position Sensor/Switch circuit, so the expected electrical continuity was not present.

Related and nearby codes

How to read P27EF

P

Powertrain: engine, transmission and driveline systems.

2

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

7EF

Specific fault index within the subsystem.

Frequently asked questions about P27EF

What does P27EF mean?

Transmission Range Control B Position Sensor/Switch Circuit/Open. The control module detected an interruption (open circuit) in the Transmission Range Control B Position Sensor/Switch circuit, so the expected electrical continuity was not present.

Is P27EF generic or manufacturer-specific?

P27EF is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P27EF 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