Powertrain
generic / SAE
P273F
Transmission Fluid Temperature Sensor B Over Temperature Condition
The second transmission fluid temperature sensor reports an over-temperature condition. Transmission fluid is too hot in the area monitored by sensor B.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 3F
Possible causes
- Restricted transmission fluid cooler high
- Sustained heavy load such as trailer towing medium
- Low transmission fluid level medium
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: possible
- Estimated cost: 80–1500 €
- Estimated time: 0.5–4 h
- Component: trans fluid temp sensor b
- Component: transmission fluid
- Component: cooler
- MIL / check engine light
Sources
References
sae:J2012