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04 silverado 4wd indicator


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pdyoung
New User

Feb 15, 2017, 5:31 PM

Post #1 of 2 (236 views)
04 silverado 4wd indicator Sign In

i have 2004 Chevrolet Silverado 4x4 z71 extended cab and the service 4wd indicator is on.
when i start my truck the lights on the 4wd switch comes on and then goes right back off. so i changed the switch and that didn't fix the problem so i changed the transfer case module and still doing the same thing. any ideas?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 15, 2017, 5:52 PM

Post #2 of 2 (231 views)
Re: 04 silverado 4wd indicator Sign In

I you're finished aimlessly throwing parts at it. have the TCM scanned for stored codes. That's what the flashing means. That will require a professional level scan tool, not a generic code reader.

In the meantime, I am moving your question over to the trans category where we have a trans specialist that will be along to help once you post the code numbers. Remember, this is not the engine computer. It is the transmission computer.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Feb 15, 2017, 5:53 PM)






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