- #27 of 66
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Re: 2006 DTS Battery Drain [sls002]
by conked
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Oct 25, 2007 (1:23 pm)
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Replying to: sls002 (Oct 25, 2007 8:58 am)
Well, the car was dead first thing in the morning when my wife was going to use it to go to work, otherwise your suggestion is a good one. This car is smarter than I am so if I leave the trunk open or leave a door open it turns off the lights after a minute or two. But, having been through this battery thing with lesser vehicles (trunk light stuck on, seat switches stuck, etc.) we certainly checked all those things. This was really an odd situation in that the battery was completely dead but after just a few minutes on a charger everything was fine. I suspect a bad inter-cell connection inside the battery but the dealer won't replace the battery because it passes their GM authorized load test, whatever that is.BTW, the interior lights are LEDs so they'd need to be on for quite a while to drain that boat-anchor of a battery that sits under the back seat.
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- #28 of 66
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Re: 2006 DTS Battery Drain [conked]
by sls002
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Oct 26, 2007 (6:44 am)
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Replying to: conked (Oct 25, 2007 1:23 pm)
If there is something wrong with the battery, then it will fail sooner or later. The load test should have indicated the battery was failing if that was the case. A few minutes on the charger would not have restored a completely dead battery either, so somehow the battery was disconnected from the car I think, but how charging it back up restored power is not clear to me, but I suspect a connection somewhere was restored when the charger was connected. This may never happen again, but if something is begining to fail, it will probably go again, perhaps so the dealer can find it.
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- #29 of 66
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Re: 2006 DTS Battery Drain [sls002]
by conked
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Oct 26, 2007 (7:59 am)
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Replying to: sls002 (Oct 26, 2007 6:44 am)
I agree with your assessment. There are so many different circuits on this car that COULD drain a battery that it might be difficult to find but the fact that it was fine one day, dead the next but magically came back to life, makes me think bad intercell connection in the battery, corrosion somewhere (but both the dealer and I checked for this at the battery and at every major grounding point) or maybe even a locked up starter solenoid? I just hope if it fails again it happens to me and not my wife. Better yet, I hope it doesn't happen!
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- #30 of 66
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I've noticed
by dardson1
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Nov 23, 2007 (6:01 pm)
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. . .the electrical issue is fairly common across GM threads, especially the biggest and fanciest new ones. Lots of people seem to think it may be OnStar. Hardly seems possible OnStar could demand that much juice unless the batteries are working close to the edge.
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- #31 of 66
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Re: 2000 dts [jessewright1]
by guardsman
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Nov 27, 2007 (8:06 pm)
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Replying to: jessewright1 (Aug 17, 2007 6:24 pm)
Jess, Welcome to the club. Take your keyless entry pad and the keys to your nearest cadillac dealer and have them checked. A Low battery in the pad will prevent you from gaining access to the vehicles options. Also have the valet switch in the glove compartment checked to be assured that this system is not malfunctioning. One additional flaw I have found in my DTS is riding with the drivers side window even particially opened allows any moisture from the windshield including the washers, to wrap around the door and drips directly onto the control panels on the drivers side door which causes the contacts in the wiring harness to corrode and thus causes more malfunctions.
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- #32 of 66
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Re: I've noticed [dardson1]
by guardsman
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Nov 27, 2007 (8:16 pm)
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Replying to: dardson1 (Nov 23, 2007 6:01 pm)
Good Evening. General Motors has a jumpstart location (usually near the engine block on the drivers side) which, if not cleaned and resealed periodically, will cause
a battery drain, even though miniscule, as dirt and moisture may act as a conductor (such as a resistor does in a radio). By making sure that the caps and covers are properly seated may help prevent some of the battery drainage.
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- #33 of 66
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Re: 2006 DTS Battery Drain [alvinl]
by jteiber
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Dec 03, 2007 (7:31 am)
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Replying to: alvinl (Jun 05, 2006 5:10 am)
I have been experiencing continuing electrical problems with my 2006 DTS. At three months, the AC failed. The dealer told me that it was working again when the technician checked it out, and no problems could be found with the system. At six months, the car was stone dead sitting in my garage. ( I drive it everyday). Got it jumped by AAA and took it to the dealer. After three days, they couldn't find anything wrong--but replaced the battery. At 10,000 miles, the car stopped in its tracks on the way to work. On star also failed. Got it restarted after a five minute delay. Took it to the dealer again (where it is now). No dash lights, and the doors wouldn't unlock when I got to the dealorship. Also the gas mileage is terrible. Any other experiences like mine???
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- #34 of 66
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Re: 2006 DTS Battery Drain [jteiber]
by chefcct
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Dec 03, 2007 (9:01 am)
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Replying to: jteiber (Dec 03, 2007 7:31 am)
I have good news. My 2006 dts car wouldn't start again the other day and the service writer found a TSB that addresses my problem. It is technical service bulletin number 1906368. My vin matches up to cars that need to have the body control module reprogrammed.
Give this info. to your dealer. This hopefully should fix your problems.
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- #35 of 66
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rear heated seat problem '04 DTS
by caddyfreak
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Jul 10, 2008 (10:31 am)
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My one side of the rear heated seat won't turn on. The rear power control module(behind seatback), both top and bottom seat cushion elements, the LR door module and heater switch on/off button test ok. Power in feed wires (orange) and fuses are ok. Power is on to the rear control power module at the blue plug-in connector( orange wires behind seat back). Still no current flow to either of the elements. I'm pretty electrical but I'm stumped here. Right side of rear seat heater circuit works fine. Tried checking grd distribution but it does seem to be grounded ok.
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- #36 of 66
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Re: 2006 DTS Battery Drain [chefcct]
by conked
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Jul 10, 2008 (11:48 am)
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Replying to: chefcct (Dec 03, 2007 9:01 am)
Back in December I gave the dealer the TSB number you suggested. He scratched his head and said something like, "this might apply...we'll check it out." When I got the car back the repair statement says "TSB 1906368-program remote entry key system to body control module and reprogram tire sensors to body module."
I don't know if that had anything to do with the dead battery but we've been to Dallas twice and Denver once since then and have had absolutely no more dead battery issues.
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