P273F

Transmission Fluid Temperature Sensor B Over Temperature Condition

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Transmission overheating
Burnt transmission fluid smell
Rough gear shifting
Power reduction
Activating transmission emergency mode

Causes

Low transmission fluid level
Contaminated or old transmission fluid
Transmission fluid temperature sensor malfunction
Problems with the transmission cooling system
Short circuit in the sensor circuit

How to Fix

Check the level and condition of the transmission fluid
Diagnose the transmission fluid temperature sensor
Check transmission cooling system
Replace temperature sensor if necessary
Flush and replace transmission fluid

Related codes

P273E P2740 P0711