Help!!! Chevrolet Odometer stops at 16 miles

Weirdest problem - odometer goes to exactly 16 miles and then stops. I can pull the cluster and reconnect it, but it resets to 0 and will work until it reaches 16 again then stop. When it stops the vehicle MPG calculation drops as it thinks I'm not moving - although the speedometer registers the correct vehicle speed. Vehicle shown is a 2004 Chevrolet Avalanche Z71 but it is probably the same cluster as most full sized General Motors trucks and SUV's from the late 90's to early 2010's.

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