2007 GMC Sierra 3500 HD Problems
RepairPal has identified the most common problems with the 2007 GMC Sierra 3500 HD based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
The keyless entry system may stop working. Our technicians tell us the key fobs and keyless entry receiver may need to be replaced to correct this fault.