2005 GMC Sierra check engine light

Tiny
RUDERODD1
  • MEMBER
  • 2005 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 138,000 MILES
CHECK ENGINE LIGHT CAME ON WHILE DRIVING TODAY. PLUGED IN MY OB SCANNER TO CHECK THE CODES BUT NOTHING HAPPENED. NOTHING APPEARED ON THE SCREEN. PLUGED THE OB SCANNER IN MY OTHER VEHICAL AND IT WORKED JUST FINE. WHAT COULD THIS BE. IS THERE A FUSE THAT CONTROLS THE PLUG OR?
Wednesday, April 28th, 2010 AT 7:52 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Does your cigar ligher work? If so then data link connector (DLC) fuse is fine as they share same circuit. If it doesn't work, check fuse labeled CIG LTR (15 amp) in the underhood fuse block (left side of engine compartment, rear of battery).
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Wednesday, April 28th, 2010 AT 8:29 PM
Tiny
RUDERODD1
  • MEMBER
  • 6 POSTS
OK I WILL CHECK THAT THANKS. I DO REMEMBER THE INSPECTION GUY GOING UNDER MY HOOD TO DO SOMETHING POSSIBLY THE FUSE.
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Thursday, April 29th, 2010 AT 11:33 AM

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