General motors: tech may encounter a vehicle with a low boost/power condition and/or dtc P0299 and or P0101 setting. This may be the result of a cracked or broken fitting at the turbocharger assembly. *pe
Related OBD-II Error Codes
Vehicles impacted by this bulletin may show the following OBD DTC.
P0101 [1] Mass or Volume Air Flow "A" Circuit Range/Performance Problem
P0299 [1] Turbocharger/Supercharger "A" Underboost Condition