One problem related to wiper has been reported for the 2020 Chevrolet Silverado 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Chevrolet Silverado 2500 based on all problems reported for the 2020 Silverado 2500.
Rear window frame is leaking during rain or heavy dew. Causing saturated headliner, seats and carpet. Mold could develop and become a health factor. My 2 kids always ride in the back seat. This is a known issue for gm and are not taking action to correct this problem. Vehicle started leaking with 25,000 miles.