Code result
P2879
Clutch B Performance/Stuck Disengaged
High severity
What it means
Clutch B cannot leave the disengaged state when engagement is commanded. No torque transfer through this clutch.
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
Clutch actuator stuck at low pressure
highOne of the most commonly reported causes for this code — check this first.
Severe hydraulic leak prevents engagement
mediumA plausible cause — test and verify before replacing parts.
Related help
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