P2261 Buick Turbocharger / Supercharger Bypass Valve Mechanical

P2262 Buick Turbocharger/Supercharger Boost Pressure Not Detected – Mechanical

Possible causes
– Faulty ICP sensor
– EGR system fault
– Engine mechanical condition
What about the obd code?
The ECM has detected a fault in the Turbo/Supercharger Boost System
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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