Gmc SIERRA DENALI — Years to Avoid

Main issue: THE VEHICLE WAS IN FOR REPLACEMENT BACK UP CAMERA MODULE AND THE DEALER STATED THAT THE FIX FOR THE ACTIVE BRAKE SYSTEM FAILURE RECALL WAS COMPLETED. AFTER STARTING THE VEHICLE IN A PARKING LOT, SEVERAL MESSAGES DISPLAYED IN THE DRIVER INFORMATION CENTER: BRAKE SYSTEM FAILURE 62 MPH TOP SPEED, SER

Main issue: THIS ISSUE STARTED A FEW MONTHS AFTER I PURCHASED THE TRUCK TOOK IT TO TWO DEALERS THEY SAY ITS NORMAL. CALLED GMC & THEY HAVE NO RECALL. WHEN DRIVING THE TRUCK & HAVE TO SLOW DOWN IN TRAFFIC THE AUTOMATIC TRANSMISSION DOWN SHIFTS & HAS A VERY NOTICABLE JERK. WILL ACTUALLY JERK THE HOLE TRUCK. PEOP

Main issue: ON JULY 29, 2015, WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE SUDDENLY DOWNSHIFTED ITSELF INTO FIRST GEAR CAUSING THE VEHICLE TO SLOW DOWN SUDDENLY WITH NO NOTICE. I WAS ABLE TO GET THE VEHICLE OFF THE ROAD AND INTO A GAS STATION. AFTER THE FACT THE CHECK ENGINE LIGHT WAS ILLUMINATED. THE