One problem related to defogger has been reported for the 2015 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Sierra 2500 based on all problems reported for the 2015 Sierra 2500.
The contact owns a 2015 GMC Sierra 2500. The contact stated that while driving at approximately 10 mph, the defroster system failed to defrost the windshield. In addition, the windshield wipers caused ice build up. The failure recurred on multiple occasions. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 1,600.
| Wiper problems | |
| Defogger problems |