Code result
P2878
Clutch B Disengagement Time Too Fast
High severity
What it means
Clutch B releases faster than calibrated. Risk of torque interruption and driveline shock.
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
Pressure regulator undershoots release ramp
highOne of the most commonly reported causes for this code — check this first.
Increased internal leakage at the actuator
mediumA plausible cause — test and verify before replacing parts.
Related help
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