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GMC Sierra 3500 HD Problems

Find the most common issues based on car owner complaints

Most Common GMC Sierra 3500 HD Problems

The GMC Sierra 3500 HD uses a throttle position sensor (TPS) which commonly fails and causes: Check engine light illumination Reduced Power message OBD trouble code P2135 This issue is rela...
A loose or worn gas cap may cause check engine light to illuminate.
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
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1 Known GMC Sierra 3500 HD Drive Train Problem

1 Known GMC Sierra 3500 HD Electrical & Lights Problem

3 Known GMC Sierra 3500 HD Engine Problems

1 Known GMC Sierra 3500 HD Exhaust & Emissions Problem

1 Known GMC Sierra 3500 HD Heating & Air Conditioning Problem

1 Known GMC Sierra 3500 HD Miscellaneous Problem

8 Known GMC Sierra 3500 HD Problems

Years to Avoid
Based on owner-submitted report and recall notices, GMC Sierra 3500 HD years 2010, 2009, and 2008 are the most likely to experience problems.
2010 GMC Sierra 3500 HD
2009 GMC Sierra 3500 HD
2008 GMC Sierra 3500 HD
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