Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 41
Possible causes
- Sensor drift after thermal aging medium
- Sensor not seated properly in the fluid path medium
- Sensor element aged beyond calibration window low
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.8–3 h
- Component: trans fluid temp sensor b
- MIL / check engine light
Sources
References
sae:J2012