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
TuningBot DTC Database · v4.37.14
Generic (OBD-II) interpretation in the TuningBot DTC database.
The control module detected that the signal in the Transmission Fluid Pressure Sensor/Switch A circuit stayed below the expected operating range.
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
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.
P0842 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic