Code result
P25EA
Supercharger Disconnect Clutch Stuck Closed
Moderate severity
What it means
The clutch that engages the mechanical supercharger to the engine drive will not open. The supercharger remains coupled at all loads, increasing parasitic loss and fuel consumption when boost is not needed.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Armature plate seized to the pulley face
highOne of the most commonly reported causes for this code — check this first.
Driver stuck on keeps clutch energised
mediumA plausible cause — test and verify before replacing parts.
Failed pulley bearing welds clutch surfaces
lowLess common, but worth ruling out after the more likely causes.
Related help
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