P0234 Turbocharger/supercharger A Overboost Condition on X48R

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#13409
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#1
Hi there.

I'm getting a service light with P0234 Turbocharger/supercharger A Overboost Condition. The file is requesting a 1.6 Bar boost only.

Not sure where to start, as I have replaced the N75, and confirmed 3 times that it is plumbed correctly.

It has a 11psi turbosmart actuator along with it.

Any ideas?
 




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