Code result
P226B
Turbocharger/Supercharger A Boost Pressure Too High - Mechanical
High severity
What it means
Boost pressure on turbo A exceeds the upper threshold and the cause is mechanical (wastegate stuck closed, VGT vanes stuck closed) rather than electrical drive fault.
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 or VGT stuck closed
highOne of the most commonly reported causes for this code — check this first.
Related help
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