OBD-II code · Powertrain (generic, extended)
P274F Transmission Fluid Temperature Sensor C Over Temperature Condition
The third transmission fluid temperature sensor reports an over-temperature condition.
Is it safe to drive with P274F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRestricted transmission fluid cooler
- PossibleSustained heavy load such as trailer towing
- PossibleLow transmission fluid level
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
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Trans Fluid Temp Sensor C, Transmission Fluid, Cooler
Related codes
- P273FTransmission Fluid Temperature Sensor B Over Temperature Condition
- P275FTransmission Fluid Temperature Sensor D Over Temperature Condition
- P274CTransmission Fluid Temperature Sensor C Circuit Low
- P274DTransmission Fluid Temperature Sensor C Circuit High
- P274ETransmission Fluid Temperature Sensor C Circuit Intermittent
- P2750Intermediate Shaft Speed Sensor C Circuit Range/Performance
- P2751Intermediate Shaft Speed Sensor C Circuit No Signal
- P2752Intermediate Shaft Speed Sensor C Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.