OBD-II code · Powertrain (generic, extended)
P2744 Transmission Fluid Temperature Sensor B Circuit Intermittent
The second transmission fluid temperature sensor signal jumps or drops out intermittently. Loose connector or chafed wire.
Is it safe to drive with P2744?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor connector not fully seated
- PossibleHarness chafed against transmission housing
- Less likelyConnector with intermittent contact under vibration
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
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Trans Fluid Temp Sensor B, Wiring Harness
Related codes
- P0714Transmission Fluid Temperature Sensor A Circuit Intermittent
- P274ETransmission Fluid Temperature Sensor C Circuit Intermittent
- P275ETransmission Fluid Temperature Sensor D Circuit Intermittent
- P2741Transmission Fluid Temperature Sensor B Circuit Range/Performance
- P2742Transmission Fluid Temperature Sensor B Circuit Low
- P2743Transmission Fluid Temperature Sensor B Circuit High
- P2745Intermediate Shaft Speed Sensor B Circuit
- P2746Intermediate Shaft Speed Sensor B Circuit Range/Performance
- P2747Intermediate Shaft Speed Sensor B Circuit No Signal
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.