Check Vacuum Diaphragm and hoses for Boost Pressure Regulator Valve
Check wastegate bypass regulator valve
Engine Light ON (or Service Engine Soon Warning Light)
Bypass Turbocharger Throughput faulty is the generic description for the P1295 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1295 Audi OBDII code.