Hours: 07–23 daily

TuningBot DTC Database · v4.37.14

P0846 Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance

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

P · PowertrainTransmissionOBD2

What P0846 means

P0846
Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance Generic · transmission Data confidence 90%

The control module judged the Transmission Fluid Pressure Sensor/Switch B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Possible causes

  • Wiring
  • poor connection
  • TFP sensor
  • ECM/PCM/TCM

Related and nearby codes

How to read P0846

P

Powertrain: engine, transmission and driveline systems.

0

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

846

Specific fault index within the subsystem.

Frequently asked questions about P0846

What does P0846 mean?

Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance. The control module judged the Transmission Fluid Pressure Sensor/Switch B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Is P0846 generic or manufacturer-specific?

P0846 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0846 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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