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.
Affected components
- Trans fluid temp sensor b
- Transmission fluid
- Cooler
Common causes
- High likelihood: Restricted transmission fluid cooler
- Medium likelihood: Sustained heavy load such as trailer towing
- Medium likelihood: Low transmission fluid level
Possible 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
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.