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2004 gmc envoy_slt
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3 Posts
Discussion Starter #1 (Edited)
As the title would imply, I did a reset on my TCCM because I cant get my 04 envoy to come out of 2 wheel drive after having replaced the transmission. I did this by unhooking the battery, and unplugging the TCCM (hooking back up in reverse order) as a mechanic friend told me to do. However when I hit the key it was like there was no starter or anything there. No click, no dimming of the lights, no nothing. I have a few codes about data link malfunctions that keep coming back and I did check the neutral safety switch and ignition switch. I am stumped. Any ideas?
 

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2004 gmc envoy_slt
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34 Posts
Check your TCCM connections, you may have some bent pins. Unplug TCCM and try to start as well.
 
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