Code result
P2C2D
Turbocharger/Supercharger Bypass Valve B Position Exceeded Learning Limit
High severity
What it means
The turbocharger/supercharger bypass valve B reports a position exceeded learning limit condition. Boost recirculation cannot be commanded reliably on this branch.
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
Mechanism worn at end-stops
highOne of the most commonly reported causes for this code — check this first.
Sensor reference drifted
mediumA plausible cause — test and verify before replacing parts.
Related help
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