OBD-II code · Powertrain (generic, extended)
P27F3 Clutch B Temperature Too High
The transmission control unit measures clutch B temperature above the safe operating threshold. Repeated slip events or excessive load have heated the clutch pack.
Is it safe to drive with P27F3?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyExcessive clutch slip during launches
- PossibleDegraded transmission fluid lowers heat capacity
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–12 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch B, Transmission Fluid, Tcm
Related codes
- P2787Clutch A Temperature Too High
- P27F0Transmission Range Control B Position Sensor/Switch Circuit Range/Performance
- P27F1Transmission Range Control B Position Sensor/Switch Circuit Low
- P27F2Transmission Range Control B Position Sensor/Switch Circuit High
- P27F4Gear Shift Lock Solenoid/Actuator A Performance/Stuck On
- P27F5Gear Shift Lock Solenoid/Actuator A Stuck Off
- P2800Transmission Range Sensor B Circuit (PRNDL Input)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.