Active Grille Shutter U1510 Gm Truck Club Forum
So threw some research I've found removing the active shutters inst as simple as it may seem You have to keep the stepper motor and build a small bracket to keep it within limitsGMC DTC U1511 00 Make GMC Code U1511 00 Definition Interdevice Dedicated Bus Lost Communication With Device 1 Description The system voltage is between 916 V Cause U1500