Technical Service Bulletin 122-H9A7N-09 — 2017 PORSCHE 911 CARRERA

"IF THERE IS A LOSS OF POWER OR IF THE FOLLOWING FAULT CODES ARE STORED IN THE FAULT MEMORY, THE WASTEGATE MUST BE CHECKED FOR SMOOTH OPERATION AND CORROSION: • P0133 (OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER, BANK 1) • P0153 (OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER, BANK 2) • P0234 (BOOST PRESSURE CONTROL LIMIT EXCEEDED) • P0299 (BOOST PRESSURE CONTROL DEVIATION) • P2262 (BOOST PRESSURE TOO LOW) CHECK WASTEGATE ON TURBOCHARGER BANK 1 FOR SMOOTH OPERATION AND CORROSION. • CHECK WASTEGATE ON TURBOCHARGER BANK 2 FOR SMOOTH OPERATION AND CORROSION. • IF THE WASTEGATE SHAFT ON TURBOCHARGER BANK 1 IS STUCK, REPLACE TURBOCHARGER ON BANK 1. • IF THE WASTEGATE SHAFT ON TURBOCHARGER BANK 2 IS STUCK, REPLACE TURBOCHARGER ON BANK 2.