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Adding pwr fold signal mirrors 08 gmc

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Old 12-15-2014, 01:16 PM
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[QUOTE=01WS6/tamu;4219269]This is for an 08 gmc sle-1 interior. Upgraded to sle-2 with DL3 option.

So do the XM MODULE and REAR PARKING ASSIST MODULE both need replaced to complete this upgrade, or is that only if you don't use the correct VIN for them while re-flashing?
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Old 12-17-2014, 08:00 PM
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Must be replaced they learn VIN one time and will not work after that. Because you have to reflash the bcm with a VIN from a vehicle with powerfold signal mirrors in order for mirrors to work. You then gotta buy the xm and rear parking assist/RVC camera module and be flashed to the VIN used to flash the BCM for the DL3 upgraded mirrors
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Old 12-17-2014, 08:03 PM
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For those doing this in the future read the stinking thread thoroughly and carefully and every last sentence. It answers every single question and fully details the whole process with no steps left out.
If you don't follow it to the T you will have a mess and a thoroughly screwed up truck.

No you cant use a tech 2 by itself to make any of the programming modifications. Must be done using GM TIS terminal and MDI programming module
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Old 04-18-2016, 01:28 PM
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I know this post is a few years old I'm still want to do this mod looks like @01ws6/Tamu has some knowledge on this but I'm still lost if anyone knows anything more please pm also see below for what I have so far I found my truck is hardwire I already got used programmed master switch from a donor truck I already got a new door harness for my year and new bezel to fit the new master switch and for my truck. when I plug in the new door harness to the truck I get the following power fold option works on my dic dashboard I see a curb tilt on reverse it works but when I try to lock or unlock and roll windows don't work i also have the passenger switch from a donor truck and harness do I need anything else?
I tried a couple dealers when I ask them what I'm trying to do they look at me weird also I add after market stereo do i still need to get a new XM receiver I don't plan on using it on the bcm the one I have will I need to change it? My truck is crew cab please help I know I'm close to being able to complete this mod just want to go the dealer with all the correct information I did found one dealer that said they will reflash my bcm is there anything else please help thank you
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Old 04-19-2016, 07:42 PM
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Anyone would like to finish this mod please help out tamu if you still around please help me out
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Old 04-20-2016, 07:43 PM
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Bump just want to make sure I have all the thing and facts before I head in to the dealer
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Old 09-24-2017, 12:57 PM
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Thread Resurrection!....LOL

Doing this swap now to my truck and trying to decide between a factory look and an after market look.

I do not currently have the data-bus door harnesses. I will be picking them up along with new door switch modules if I end up going the stock route. If not, I will just install the mirrors and a switch in the console to operate the fold feature.
  • If I replace the harnesses with the data-bus type along with door modules, do I need to replace the BCM too or just re-flash my current BCM?
  • Are the door panel harnesses the only harness upgrade I need to worry about? Everything else in the truck is "data-bus" ready?

I own a tech2 so programming the modules is not an issue if I go that route.

Thanks,
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