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03-21-2013, 03:48 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Need Help! Hummer gone nuts!
So I tried doing some research on this and I'm not the only one who has had this problem. But it's really weird.
Mainly started happening when I hit a big bump a few days ago, like a big one........ EVerything works fine mechanically, but my electrical has taken over the truck and it's going nuts. It comes and goes but now I can't get it to go normal long enough to get it out of 4LO.
Here is a thread I found that the guy had exatly the problem i'm having but never got a result out of it.
Has anybody had the same problem? heard of it?
http://www.elcovaforums.com/forums/s...t=acting+weird
This is the description of the issue I'm having:
It shows on the dash "unknown driver" and the ABS,CHECK ENGINE,BRAKE,TRACTION CONTROL,OIL,BATTERY and the SECURITY comes on. ALL THE GAUGES SHOW ZERO, And later after the UNKNOWN DRIVER the dash shows SERVICE AWD.And whatever is on on the car like the A/C and the RADIO turns off.The windows and the lock becomes inoperative so i cant open or close windows or doors.
But the car works fine with no problem..I CANNOT switch gears and switch between the 4wd gears.
If i turn on and off the car everything goes away and back to normal until it happens again...a few seconds later
But after i turn on and off sometimes the SECURITY lights come on and stays on until i turn the car off and open the doors.
HELP!
__________________
2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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03-21-2013, 04:07 PM
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Hummer Veteran
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Join Date: Dec 2012
Location: St. Louis
Posts: 124
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Re: Need Help! Hummer gone nuts!
Mine had similar issues, but not to the extent of your possessed beast. A lot of the issue lies in the instrument cluster. Those in the 03-06 (I believe, maybe up to 05) use the same cluster as in the Escalades & Denalis. These clusters have MUCHO issues.
I still need to replace mine, as my speedo now reads 0mph at all times. It used to come on and go off whenever it felt like it. Sometimes it would stay off for an hour while driving.
I was priced a rebuilt one through a local GM dealer for $275. But I have still yet to change mine.
__________________
Keeping St. Louis Zombie-free since 2008
1984 M923A1 5 ton 6x6 Cargo
2006 H2 SUT Twilight Maroon SOLD
2004 H2 Hummer Black SOLD
(5) 37 x 12.50 R16.5 Goodyear MT/R Kevlar lined
HMMWV 24 bolt 2 piece wheels
Hutchinson VFI Anti-Mine runflats
Road Rhino 1/4" steel bumper
1972 Corvette Stingray
Built in St. Louis Day 1, car #75 off assembly line
2013 Infiniti G37X
wife's car
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03-21-2013, 04:10 PM
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Hummer Professional
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Join Date: Jan 2008
Location: Meadville, PA
Posts: 339
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Re: Need Help! Hummer gone nuts!
Yikes. I hate computer problems. I know when I'm tuning my truck and the computer resets the gauges go to zero and it says "service awd" and all kinds of lights flash. I hope my truck doesn't catch that bug.
__________________
2005 White H2, 6" Fabtech, CAI, Flowmaster, Train Horn, Subs, 20" Rockstars, 37" Toyo's (going bigger next set...)
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03-21-2013, 07:08 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: Need Help! Hummer gone nuts!
here is what it looks like after it says "Unknown Driver"
__________________
2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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03-21-2013, 07:32 PM
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Hummer Veteran
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Join Date: Dec 2012
Location: St. Louis
Posts: 124
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Re: Need Help! Hummer gone nuts!
Your truck isn't named KITT & talks to you by chance, does it?
__________________
Keeping St. Louis Zombie-free since 2008
1984 M923A1 5 ton 6x6 Cargo
2006 H2 SUT Twilight Maroon SOLD
2004 H2 Hummer Black SOLD
(5) 37 x 12.50 R16.5 Goodyear MT/R Kevlar lined
HMMWV 24 bolt 2 piece wheels
Hutchinson VFI Anti-Mine runflats
Road Rhino 1/4" steel bumper
1972 Corvette Stingray
Built in St. Louis Day 1, car #75 off assembly line
2013 Infiniti G37X
wife's car
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03-21-2013, 08:04 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: Need Help! Hummer gone nuts!
Well right now it's being a KUNT, so I dont know if that counts.... lol
__________________
2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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03-21-2013, 11:57 PM
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Hummer Authority
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Join Date: Oct 2003
Posts: 1,118
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Re: Need Help! Hummer gone nuts!
My dash will look the same as what you have when I use the programmer. Unknown driver, service 4WD and the other lights, I will hear a couple click sounds from under the hood and also a "hiss" noise until it is finished.
Because of seeing that while messing with the program I guess I am thinking maybe a possible ECM or PCM (what ever it is called) problem has developed in your case ??
Hope ya figure it out, Ed
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03-22-2013, 10:46 PM
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Hummer Veteran
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Join Date: Jan 2008
Location: High in the Colorado Rockies
Posts: 210
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Re: Need Help! Hummer gone nuts!
Quote:
Originally Posted by ROUSHDEMON
here is what it looks like after it says "Unknown Driver"
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ROUSHDEMON, it would be great if you would post a pic of your dash displaying that "Unknown Driver" message. Classic! Doubt if we'll ever get a chance to see that message!
[/quote]
__________________
'05 H2 Lux, 37" KM2's on 17" Hutchinson Double Beadlocks, Cognito UCA's, Cognito Sway Bar Links, Custom Hydro-Assist Steering Upgrade, Eaton Front Differential Locker, 1" Rear Coil Spacers, Chevy Green Key Torsion Bar "Lift," Bilstein Shocks, Warn 9.5ti Multimount Winch, Dual Optima Yellow Top Battery's, Piaa & Hella Off-road lights, Gobi Rack, Tru-cool External Transmission Oil Cooler, Diablo Predator Hi-Octane Tune.
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03-23-2013, 03:20 AM
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Hummer Authority
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Join Date: Oct 2003
Posts: 1,118
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Re: Need Help! Hummer gone nuts!
My Unknown Driver using programmer...
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03-23-2013, 08:01 AM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: Need Help! Hummer gone nuts!
You so cleeeeeeannnnnnnn lol
__________________
2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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03-25-2013, 04:07 PM
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Hummer Veteran
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Join Date: Sep 2012
Posts: 61
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Re: Need Help! Hummer gone nuts!
Make sure your battery is fully charged, and disconnect the On Star (remove fuse "Info").
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03-26-2013, 12:26 PM
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Hummer Authority
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Join Date: Jun 2005
Location: Key Largo
Posts: 1,174
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Re: Need Help! Hummer gone nuts!
I too have electrical gremlins in my 2006. The only aftermarket electrical item is a backup camera dealer installed when new that displays on the nav panel. I'll be driving along and the red OnStar light will come on, or the red neutral light under the 4 W drive buttons will come on (even though the buttons have been replaced), the lights come on during the day and the nav panel turns to night black, or I'll get in the Hummer and the clock has lost two hours, but it starts right up. Then once in a while the battery will go dead if it sits two days, so I just keep it on the battery tender in the garage now.
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03-26-2013, 07:38 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: Need Help! Hummer gone nuts!
__________________
2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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03-26-2013, 11:25 PM
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Hummer Expert
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Join Date: Jun 2008
Location: New York
Posts: 524
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Re: Need Help! Hummer gone nuts!
Great pictures.
__________________
Hummer, like nothing else
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03-30-2013, 06:02 AM
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Hummer Novice
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Join Date: Mar 2013
Posts: 17
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Re: Need Help! Hummer gone nuts!
Am no expert but IMHO it may very well be a sensor wire that has come lose behind the dash as a result of the sudden shock when you bottomed out. It will cost you a couple of grand to locate it and reattach it. Basically your
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