Problem Reports

GMC Sierra 3500

Report: Check Engine Light Due to Gas Cap Issue

• Check Engine Light Due to Restricted Secondary Air Injection Check Valves
  One or both secondary air injection check valves may become restricted causing poor air flow re...

  Common Problems > GMC Sierra 3500

• Daytime Running Lights are Prone to Burning Out
  The daytime running lights are prone to burning out. Our technicians tell us that the light s...

  Common Problems > GMC Sierra 3500

• 2006 GMC 3500 - Erroneous Check Engine and Loss of Power
  I have a 2006 GMC 3500 truck and am having problems with a loss of power. I notice this loss of...

  Q&A > GMC > 2006 GMC Sierra 3500

• ABS Light Due to Poor Electrical Ground Under the Battery Tray
  A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground ...

  Common Problems > GMC Sierra 3500

• ABS light pops on and power loss the truck will run 50 mph
  I have a duramax 6.6 and once I drive for about a mile the ABS light pops on and the truck down shifts, bringing my speed down to about 55 mph. I have been told something about slack in the transfe...

  Q&A > GMC > 2002 GMC Sierra 3500