Code result
P27F3
Clutch B Temperature Too High
High severity
What it means
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?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Excessive clutch slip during launches
highOne of the most commonly reported causes for this code — check this first.
Degraded transmission fluid lowers heat capacity
mediumA plausible cause — test and verify before replacing parts.
Related help
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