WHY DOES MY SECURITY LIGHT FLASHES AND IT WANT CRANK WHEN FLASHING on 2003 GMC Envoy

IT CRANKS WHEN ITS NOT FLASHING BUT WHEN IT FLASHES IT WANT DO NOTHING

by in Knoxville, TN on September 02, 2013
3 answers
ANSWER by on September 03, 2013
there maybe a problem with the onboard security system...
ANSWER by on September 03, 2013
Do you use the same key every time?
ANSWER by on September 03, 2013
scan anti theft for codes and post so we can adv

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