- #2391 of 3125
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Loss of Radio, Navigation and Onstar Service
by obravada
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Mar 19, 2007 (11:08 am)
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I have a 2007 Tahoe LTZ with 9,700 miles. The following incident occurred on Friday - no explanation from dealer was available. I had been driving about 10 minutes, using radio and Nav system. I stopped at a local store for about 10 minutes. Upon restarting, the radio, navigation system and onstar service was inoperable. I stopped the vehicle and restarted thinking it would all come back. No luck. Even the turn signal "click" was silent. The heat and air controls worked as well as all the gauges on the dash. I drove directly to the Chevy dealer and explained the problem. Made an appointment for the next day to have them "Check it out". Upon starting my truck in the dealer lot all of the things that stopped working suddenly started OK. Did anyone have a similar situation happen to them? Dealer tested for "trouble code" but the restart clear memory. What was the resolution? Thx
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- #2392 of 3125
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Re: Loss of Radio, Navigation and Onstar Service [obravada]
by gfraigun
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Mar 19, 2007 (11:36 am)
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Replying to: obravada (Mar 19, 2007 11:08 am)
I had the exact same thing happen to me once or twice... But never took it to the dealer because by the time I went on another trip everythjinmg was working again... You know how it is, if its not broke when you take it in they wont do anything...
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- #2393 of 3125
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Re: The '07 Tahoe wipers really Stink! [73shark]
by junglegeorge
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Mar 19, 2007 (1:33 pm)
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Replying to: 73shark (Mar 18, 2007 2:08 pm)
Yes the silver p[in, however it is actually a rivet. I drilled one, and I have it a part. It is too wide for the standard ANCO blade. I have some more work to do, I will get back to you.
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- #2394 of 3125
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Re: Loss of Radio, Navigation and Onstar Service [obravada]
by junglegeorge
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Mar 19, 2007 (1:42 pm)
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Replying to: obravada (Mar 19, 2007 11:08 am)
YES, I have the same problem all the time. GM is going to replace the BCM (Body Control Mod.) Every modual in the Tahoe gets a serial wake up/handshake signal from the BCM every time you start the truck. You should have set several codes that GM can read when you take your truck in for service. If you had shut the Tahoe off, and opened the driver door prior to trying to trying to re-start, the retained battery relay would have reset and everything would have been working again. I found that just re-starting will not reset the mod's you have to open the driver door or wait for it to time out (20 min). Good luck at your dealer, mine thought I was nuts the first several trips in. Then, like you I drove in to the dealers garage with several things not working, however I refused to turn the Tahoe off until they witnessed the issue first hand. hope that helps, George.
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- #2395 of 3125
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Re: Loss of Radio, Navigation and Onstar Service [obravada]
by tony20fan
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Mar 19, 2007 (7:24 pm)
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Replying to: obravada (Mar 19, 2007 11:08 am)
I had this exact thing happen to me when my Tahoe was relatively new. No nav., radio, etc. and the thing that was weird was no turn signal click, just like you. I stopped and turned it off and then back on and then all was ok. It was a red flag to me, but have had no other problems since. My radio does make a weird "zap" sound, as if it had been struck by lightning, every now and them. It is so loud that I'm afraid that the speakers or something will blow out (or it will scare me and cause an accident!). I don't know why it does this and haven't taken it to the dealer for it. My, my, seems there are so many problems with these. I've had great luck so far, but I'm glad I have the extended warranty. So much can go wrong!!
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- #2396 of 3125
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Re: Loss of Radio, Navigation and Onstar Service [obravada]
by 73shark
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Mar 19, 2007 (8:25 pm)
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Replying to: obravada (Mar 19, 2007 11:08 am)
My did it once. No sounds at all. Got a good feel for just how quiet it is. The turn signal as do all sounds goes thru speakers. No codes were set.
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- #2397 of 3125
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Re: Loss of Radio, Navigation and Onstar Service [junglegeorge]
by obravada
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Mar 21, 2007 (12:38 pm)
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Replying to: junglegeorge (Mar 19, 2007 1:42 pm)
Thx for the restart tip. I'll be sure to open the door prior to a restart. I also have experienced what appears to be a "Zap" at times when I start the vehicle. Almost like someone suggested it sounds like being hit by an electrical charge. The dealer indicated that I should not turn off the vehicle if it happens again and bring straight to the shop to see if they can identify any codes. The dealer even offered to get me a rental car(at their expense)from Hertz if I wanted to leave the vehicle overnight and have them diagnose the problem the next day.
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- #2398 of 3125
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Re: Loss of Radio, Navigation and Onstar Service [obravada]
by jerrywimer
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Mar 22, 2007 (3:01 am)
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Replying to: obravada (Mar 21, 2007 12:38 pm)
I've had that "zap" at least three times since I first bought my Avalanche. If you get resolution be sure to post back with the fix. I'll do the same if it ever comes up during a visit to my dealership's service department. I haven't had time to take the Av in for anything less than a true crisis problem for a while now (oil changes and such don't count- I've hit the local quick change shop for those).
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- #2399 of 3125
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Problems playing DVD's
by macman246
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Mar 22, 2007 (12:28 pm)
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I test drove an '07 Yukon Denali overnight, and was surprised the nav unit could not play single-sided DVD-R's I've burned and finalized. It would start off playing one frame every 10 seconds or so, and when skipping to a chapter it would only play a few seconds and stop. Store-bought DVD's seemed to play fine.
Does the nav unit only handle double-sided DVD's? Thanks.
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- #2400 of 3125
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Re: Problems playing DVD's [macman246]
by valvestud
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Mar 22, 2007 (2:40 pm)
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Replying to: macman246 (Mar 22, 2007 12:28 pm)
Mine plays them just fine. I only use Verbatim discs. I also use Slysoft AnyDVD for decrypting, and 1 Click DVD Copy Pro for copy.
Also, there is no such thing as double sided DVDs in the sense I think you mean. Double sided DVD's are typically used for different film formats. DVDs you burn are either single layer or dual layer, giving you 4.7GB or 8.5GB of storage, but layers are only on one side. They don't come 2 sided... at least that I've ever seen.
Joe
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