2005 Chevy Silverado check engine light

Tiny
WSNAP123
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 38,000 MILES
I resently bought a edge juice with attitude module for my 05 chevy duramax I was driving and the truck got up to temp. I reached over and turned the chip on I accelerated and I had the back down for the boost set to low so it backed down the cheack engine light came on and the transmision locked in fourth gear I pulled over and tried to put it in reverse and it just blinked and would not move so I shut it off and started it back up the trans. Seemed fine the check engine light was still on so I removed the chip and it is still on what could it be thanks david
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Saturday, January 31st, 2009 AT 10:37 PM

4 Replies

Tiny
BMRFIXIT
  • EXPERT
Need to have it scanned for codes
codes will pin point what is happening or what happened

I would also suspect the transfer decoder
need codes scan the system
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Saturday, January 31st, 2009 AT 10:46 PM
Tiny
WSNAP123
  • MEMBER
What would you suspect it to be? What would cause the trans. To lock like that? Also how do I make a donation credit card or what thanks again david
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Saturday, January 31st, 2009 AT 11:16 PM
Tiny
BMRFIXIT
  • EXPERT
I have seen it where the decoder (the motor on the transfer case that switch between 4 and 2 wheel drive )to go bad
its an expensive unit
codes should also help since u have check engine light on that would be my 1st step

get it scanned

need manual CHECK IT @
http://www.2carpros.com/kpages/auto_repair_manuals.htm
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Sunday, February 1st, 2009 AT 8:02 AM
Tiny
2CARPROS MIKE
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Sunday, February 1st, 2009 AT 8:14 PM

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