One problem related to defroster/defogger/hvac system rear window has been reported for the 2020 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 GMC Sierra 1500 based on all problems reported for the 2020 Sierra 1500.
The contact 2020 GMC sierra ld crew denali/at4-t1. The contact stated that while driving in the snow , the tire pressure light had illuminated. The contact stated that her vehicles power steering light had illuminated as well. The contact stated she has contacted the dealer ,as well as the manufacture who was not able to assist. The contact stated that she had not yet experienced a failure with the 2 , besides the warning lights illuminating , however she did experience a failure with the windows freezing from the inside her vehicle , causing leaking inside her vehicle. The contact stated she took the vehicle to the dealer who advised her that there were no recalls or warranty , and she would have to pay out of pocket. The failure mileage was 140,000.
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| Defroster/defogger/hvac System Rear Window problems |