'06 Trailblazer Driver Door Module Programming - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Appearance > Interior

Interior Interior

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  #1  
Old 10-13-2009, 08:25 PM
howard2811 howard2811 is offline
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Question '06 Trailblazer Driver Door Module Programming

Had my DDM burn up, bought a new one. Installed it and it doesn't work. Verified all fuses are good. Read online that it has to be reprogrammed. Can this be done by anyone other than the dealer? I'm afraid of what they will charge. Can I get a tool or rent one to do this myself?

Any and all help for this is appreciated. My wife is tired of having no Seat Heaters in the morning.
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Old 10-13-2009, 10:01 PM
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Dealer or a high-end independent mechanic with a suitable tool. Call around. Make sure they charge a fair price - most dealers don't seem to.
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Old 10-14-2009, 01:38 PM
howard2811 howard2811 is offline
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Thanks for the help, I was afraid that would be the answer.
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Old 10-14-2009, 03:28 PM
Elevatorguy Elevatorguy is offline
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It is cheaper to buy a used one on eBay or at a junkyard.
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Old 10-14-2009, 04:29 PM
howard2811 howard2811 is offline
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I saw that once i checked the forum. But unfortunately i didn't check here first. Already have the new one. Found a dealer that can do it for $62. Lesson learned, I will definitely check here first next time.
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Old 10-14-2009, 06:11 PM
Elevatorguy Elevatorguy is offline
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At that price you can still save a few bucks by getting a used one. You will still have an unusable brand new DDM though. Any chance of the dealer taking it back, even if you only get a merchandise credit for it?
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Old 10-14-2009, 10:52 PM
howard2811 howard2811 is offline
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Bought the New one online from a Parts distributor, was cheaper than the dealer price. I think i will just have to eat it this time.
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  #8  
Old 10-15-2009, 01:35 PM
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My DDM will sporadically stop functioning. Sometimes it's everything, sometimes just the window switches or just locks not working etc. It's very sporadic and I can't pin down any pattern to it.

After digging around a little online it was my understanding that because the DDM communicates with the Body Control Module it will need to be reprogrammed to your particular vehicle whether it is used or new?

Dealers I've talked to want ~$90 to reprogram. Seems excessive for a 15 minute procedure--especially given the cost of the module itself.
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Old 10-15-2009, 02:09 PM
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For an intermittent problem, I'd look at broken wires inside the insulation at the hinge line, especially if it's the driver's door which gets used most often.

If you buy it used from Ebay or a junkyard from a trailvoy, it won't need reprogramming.

Dealers are raking people for the "reprogramming scam" and the GM/Delphi designers are in on the con because they could have TRIVIALLY made them plug'n'play like any USB peripheral. And locking out options that weren't shipped with the vehicle. Truly evil and short-sighted design trickery.
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Old 10-15-2009, 04:20 PM
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ShawnAndrewMAC ShawnAndrewMAC is offline
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My local dealer wants $120 to program mine, they think I'm .
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