Code result
P00C5
Turbocharger/Supercharger B Turbine Overspeed
High severity
What it means
Turbocharger B turbine speed exceeded its safe limit. Same as P0049 on turbo B. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
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
Wastegate B stuck closed
highOne of the most commonly reported causes for this code — check this first.
Related help
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