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TuningBot DTC Database · v4.37.14

P2743 Transmission Fluid Temperature Sensor B Circuit High

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

P · PowertrainTransmissionOBD2

What P2743 means

P2743
Transmission Fluid Temperature Sensor B Circuit High Generic · transmission Data confidence 78%

The control module detected that the signal in the Transmission Fluid Temperature Sensor B circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • TFT sensor

Related and nearby codes

How to read P2743

P

Powertrain: engine, transmission and driveline systems.

2

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

743

Specific fault index within the subsystem.

Frequently asked questions about P2743

What does P2743 mean?

Transmission Fluid Temperature Sensor B Circuit High. The control module detected that the signal in the Transmission Fluid Temperature Sensor B circuit stayed above the expected operating range.

Is P2743 generic or manufacturer-specific?

P2743 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2743 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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