Harsh shifting and torque converter shudder
POWER TRAIN
30 NHTSA complaints · 2018-01 → 2024-11
“THE 8-SPEED AUTOMATIC TRANSMISSION EXHIBITS NUMEROUS ISSUES. 1) WHEN SLOWING DOWN TO UNDER 10 MPH, AS IF YOU WERE YIELDING TO TRAFFIC AND THEN PRESSING THE THROTTLE TO ACCELERATE THE VEHICLE, TWO ISSUES CAN OCCUR”
“TRANSMISSION SHUDDER AT SPEED. HARD SHIFTS AT SLOW SPEED. APPEARS TO BE WELL DOCUMENTED ACROSS THIS SITE AND OTHER FORUMS. IT APPEARS THE OIL USED IN THE TRANSMISSIONS WAS DEFECTIVE (PER CHEVY) . TSB - 16-NA-175 AND TSB 18-NA-355”
“The contact owns a 2017 Chevrolet Silverado 3500. The contact stated that while driving at various speeds, the vehicle failed to upshift while depressing the accelerator pedal. The check engine warning light was illuminated”