36 problems have been reported for the 1999 GMC C1500. The following chart shows the 14 most common problems for 1999 GMC C1500. The number one most common problem is related to the vehicle's service brakes, hydraulic with 13 problems. The second most common problem is related to the vehicle's electrical system (6 problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes | |
| Electrical System | |
| Engine And Engine Cooling | |
| Air Brake | |
| Structure | |
| Equipment | |
| Gasoline Fuel System | |
| Steering | |
| Vehicle Speed Control | |
| Air Bag | |
| Seats | |
| Latches/locks/linkage | |
| Tire | |
| Suspension |
The following chart shows the number of problems reported during each of the service years since the debut of the 1999 GMC C1500 in 1999.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 | |
| 2002 | |
| 2001 | |
| 2000 | |
| 1999 |
When making the decision between buying a new or used GMC C1500, the following table can be used to compare the 1999 GMC C1500 with the GMC C1500 from other model years. Note that the number of problems reported for the 1999 C1500 is 36 while the average number of problems reported for the 7 model years of the GMC C1500 is 22.
| Model Year | Number of Problems |
|---|---|
| 2002 C1500 | |
| 2001 C1500 | |
| 2000 C1500 | |
| 1999 C1500 | |
| 1998 C1500 | |
| 1997 C1500 | |
| 1996 C1500 |