OBD-II code · Powertrain (generic, extended)
P2741 Transmission Fluid Temperature Sensor B Circuit Range/Performance
The second transmission fluid temperature sensor reading is implausible against engine load and ambient temperature. Drift or stuck signal.
Is it safe to drive with P2741?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- PossibleSensor drift after thermal aging
- PossibleSensor not seated properly in the fluid path
- Less likelySensor element aged beyond calibration window
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Trans Fluid Temp Sensor B
Related codes
- P274BTransmission Fluid Temperature Sensor C Circuit Range/Performance
- P275BTransmission Fluid Temperature Sensor D Circuit Range/Performance
- P273EGear Shift Control Module A Over Temperature
- P273FTransmission Fluid Temperature Sensor B Over Temperature Condition
- P2740Transmission Fluid Temperature Sensor B Circuit
- P2742Transmission Fluid Temperature Sensor B Circuit Low
- P2743Transmission Fluid Temperature Sensor B Circuit High
- P2744Transmission Fluid Temperature Sensor B Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.