Automatic transmission shudder and hard shifting
POWER TRAIN
60 NHTSA complaints · 2019-01 → 2026-07
“Failure of Torque Converter. Transmission flushed. May or may not work. Retest after 200 miles. If failure continues, replace entire Torque Converter”
“The vehicle shakes badly and shudders during acceleration and causes a brief inability to accelerate, often at higher speeds and with a great deal of rumbling and vibration. No other warning lamps, messages, or symptoms”
“EIGHT SPEED TRANSMISSION SHUTTERS AND VIBRATES UNDER NORMAL ACCELERATION. MORE NOTICEABLE ON HILLS OR UNDER LIGHT LOAD. CHEVY DEALERS ANSWER: THEY ALL DO IT!!”