Wastegate bypass solenoid actuator turbocharger, Genuine GM, new
If the wastegate bypass actuator under the turbocharger is broken and you see an error code is P0243, the engine will accelerate normally with full boost pressure, but will go into emergency mode at approx. 4000 rpm or jerk heavily. Before replacing the solenoid valve, please check electrical connections for kinks, corrosion or broken pins.
New part price at Opel: 350 Euro! Takeoff from new turbocharger.
Wastegate valve, Genuine GM:
Opel 4817549
GM 12633411
(Differenzbesteuerung gem. § 25a USTG, kein Ausweis der Umsatzsteuer für das Ersatzteil möglich.)
(Sample pictures, comes without hoses!, bracket may has to be changed)