Hours: 07–23 daily

TuningBot DTC Database · v4.37.14

P2742 Transmission fluid temperature (TFT) sensor B - circuit low

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

P · PowertrainTransmissionOBD2

What P2742 means

P2742
Transmission fluid temperature (TFT) sensor B - circuit low Generic · transmission Data confidence 78%

The control module detected that the signal in the Transmission fluid temperature (TFT) sensor B circuit stayed below the expected operating range.

Possible causes

  • Wiring short to ground
  • TFT sensor

Related and nearby codes

How to read P2742

P

Powertrain: engine, transmission and driveline systems.

2

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

742

Specific fault index within the subsystem.

Frequently asked questions about P2742

What does P2742 mean?

Transmission fluid temperature (TFT) sensor B - circuit low. The control module detected that the signal in the Transmission fluid temperature (TFT) sensor B circuit stayed below the expected operating range.

Is P2742 generic or manufacturer-specific?

P2742 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2742 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