10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
7,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Mar 012025

Denali AT4 2.7L

  • Automatic transmission
  • 7,000 miles

click to see larger images

trailer brake will randomly disable itself while driving trailer brake will randomly disable itself while driving

No matter the weather, or if I have a trailer connected or not this happens at random. GMC and the dealer have not addressed the problem and it still occurs at random

- Lance T., Allenstown, NH, US