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TuningBot DTC Database · v4.37.14

P0842 Transmission Fluid Pressure Sensor/Switch A Circuit Low

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

P · PowertrainTransmissionOBD2

What P0842 means

P0842
Transmission Fluid Pressure Sensor/Switch A Circuit Low Generic · transmission Data confidence 90%

The control module detected that the signal in the Transmission Fluid Pressure Sensor/Switch A circuit stayed below the expected operating range.

Possible causes

  • Wiring
  • short to earth
  • TFP sensor
  • ECM/PCM/TCM

Related and nearby codes

How to read P0842

P

Powertrain: engine, transmission and driveline systems.

0

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

842

Specific fault index within the subsystem.

Frequently asked questions about P0842

What does P0842 mean?

Transmission Fluid Pressure Sensor/Switch A Circuit Low. The control module detected that the signal in the Transmission Fluid Pressure Sensor/Switch A circuit stayed below the expected operating range.

Is P0842 generic or manufacturer-specific?

P0842 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0842 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

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