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In a 2014 Chevy Spark, transmission issues commonly stem from either a physical or computer-related cause, each presenting distinct symptoms. A noisy transmission, along with grinding during gear shifts, often signifies physical damage to the gears. Conversely, a computer issue may result in rough shifting or gear hunting, indicating that the transmission control module (TCM) struggles to select the appropriate gear for the engine speed.
You've been given incorrect information.
The transmission issues in the 2014 Chevy Spark have been linked to gear slipping caused by a common shift sensor malfunction.
This particular CVT is not your typical one-size-fits-all transmission. Being a continuously variable transmission doesn't necessarily mean it operates without any shift points or clutches. However, it does feature a CV output differential. While I'm not an expert in transmissions, I have experience working with this type before.