Question about 2005 GMC Sierra Denali
The air bag light is activated by the sensing diagnostic module. The SDM has detected a component or wiring issue that may prevent the system from operating in the event of a crash.
Take your truck to your local Auto Zone or Advance Auto and ask them to check the vehicle for diagnostic codes. Write the codes down and respond back and we can see what the issue is.
Good luck, let me know.
Posted on Jul 28, 2009
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Posted on Jan 02, 2017
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