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10-19-2008, 06:11 PM
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Hummer Veteran
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Join Date: Aug 2005
Posts: 99
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Re: Passenger door courtesy light wont shut off.
My 06 H2 did the exact same thing. I believe there is a bulletin for this. Take it to the dealer, they will do a re-program and it will fix the issue.
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11-29-2008, 01:37 AM
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Hummer Expert
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Join Date: Sep 2005
Location: "Live Free or Die"
Posts: 657
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Re: Passenger door courtesy light wont shut off.
Went to the dealer today to get my recall fixed for the heated washer system. Had them look at the passenger door courtesy light. There was a TSB on it. They had to install updated software to the computer for the problem. Seems there was a glich with the original. The service manager gave me a quick explanation on the issue and said everything has modules and goes through the computer, there are no direct connections via wire or voltage to switches etc. just sounded interesting. I assumed the door panel would have to be removed and light switch/module replaced or repaired. Everyting was done at the ECM and jst reprogrammed. Done deal.
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2006 H2 SUT Fusion Orange LE
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12-02-2008, 05:25 AM
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Hummer Authority
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Join Date: Sep 2005
Location: Texas
Posts: 1,795
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Re: Passenger door courtesy light wont shut off.
Mine had same problem. It is a known issue and dealer flashed some module (not the ECM) with a firmware update and corrected the problem. They didn't believe me at first, so I drove it up there one day and rolled the window down and had them look inside while the light was still on 
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H2 SUT 4.56 Gears, Front Locker, Cognito Pitman/Idler kit & Idler Pivot Kit, Fab Tech Tie Rods, True Tech Trailing Arms, Edelbrock Panhard Rod, PML rear Diff & Tranny Pans, Corsa Exhaust, Dynatech LT Headers, Diablo Predator Programmer, Volant CAI, Warn 9500 Winch, Escort 8500x50 & ZR3 Laser Shifter, Delta Light Bar, Rancho Steering Stabilizer & Bilstein Shocks, Ron Davis Radiator, PowerSlot Rotors, Hawk Brake Pads
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12-03-2008, 05:54 AM
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Hummer Veteran
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Join Date: Apr 2003
Location: Kelowna,B.C., CANADA
Posts: 175
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Re: Passenger door courtesy light wont shut off.
I have the same Problem on my 06!
Do you have to go to a Hummer dealer or will any GM dealer be O.K.?
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2006 Pacific Blue H2 SUT
-Rancho Lift
-39.5" IROK Tires
-20" Rockstar wheels
-MagnaCharger S/C
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12-06-2008, 05:21 PM
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Hummer Expert
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Join Date: Sep 2005
Location: "Live Free or Die"
Posts: 657
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Re: Passenger door courtesy light wont shut off.
Got mine done at a Caddy/Buick dealer. Give them a call, any GM dealer should be able to take care of it. I believe the only time they wont is when there is a Hummer dealer local. They dont want to create any problems with competition.
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2006 H2 SUT Fusion Orange LE
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12-06-2008, 06:06 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: Passenger door courtesy light wont shut off.
Had the same thing with my '06 SUT. It was so irritating I was considering either removing the bulb or putting electric tape over the light. Took it to the dealer, they reflashed the module, and I was in and out in less than 20 minutes. They seemed to know all about, even a year and half ago. This must have been a programming glich in the '06s.
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Hummer, like nothing else
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12-07-2008, 03:27 AM
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Hummer Authority
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Join Date: Sep 2003
Location: Canada
Posts: 1,251
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Re: Passenger door courtesy light wont shut off.
Body Control Module reflash. You would be surprised how many problems we repair on a daily basis with updated module calibrations
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