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2003 GMC Yukon PCM B fuse blows

Tiny
BPATE
  • MEMBER
  • 2003 GMC YUKON
  • V8
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
2003 Yukon starts and runs rough for about 2 minutes then dies, then starter will not turn over. Find the PCM B fuse blown. Replace the fuse and the same thing happens again.
Saturday, March 21st, 2009 AT 5:42 PM

1 Reply

Tiny
BRIAN 1
  • MECHANIC
  • 1,030 POSTS
It has a short to ground, check the orange wire circuit 440 from the underhood fuse block to the pcm, the short will be somewhere between the to. Post back with any other questions.
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Saturday, March 21st, 2009 AT 7:07 PM

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