What Owners Complain About
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
- diesel exhaust fluid system in the 2011 Sierra 2500
- high pressure fuel pump failure in the 2011 Sierra 2500
- 'emission system requires service' warning message in the 2012 Sierra 2500
- dash cracked in the 2013 Sierra 2500
- battery drain after 24 hours in the 2010 Sierra 2500