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Old 12-24-2009, 12:39 PM   #1
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Default Door electronics problem

Car is a 2003 Bonneville SSEi, all options except disc changer.

Everything on the drivers door works for just the drivers door/fuel door. On the drivers door, the lock and window switches for other doors do nothing. Keyfob unlocks/locks the drivers door alone, and the fuel door.

None of the other door switches on the doors themselves work.

Both power seats work, as well as mirrors.

I checked the fuses first, both 'looked' fine, but I replaced anyway with no luck.

Fuses were 10amp, i put 15 and 20 in just to try, nothing.

I'm a mechanical person, and i'm pretty oblivious when it comes to electrical problems.. The back doors started going first, the windows would only go down some of the time, and then nothing at all. A few weeks ago the pass door started doing the same, then stopped alltogether. I read in a previous thread about all of the other door electronics going to the DDM, and it seems like a grounding problem somewhere, so where would I look to start my search? Thanks in advance, hope i put enough information here
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Old 12-24-2009, 12:47 PM   #2
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It'* not something that happens very often on the 2000+, but there are ground busses under the dash on both sides just in front of the doors. Check these for any corrosion. Also check for voltage at the window motors.
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Old 12-24-2009, 03:45 PM   #3
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Those ground busses are pretty high out of the way of any moisture, maybe just the DDM itself
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Old 01-15-2010, 08:31 AM   #4
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Thanks for the replies. I've spent the past couple weeks doing research and seeing what I could find on the car, but it seems to bet he DDM is bad. However I'm not sure where to go to get a replacement.. The parts stores around here tell me its a dealership part... Any other ideas before I sign my savings away to them?
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3.8. l67, 3800, bonneville, bonnie, bus, ddm, door, electrical, ground, ponitiac, problem, se, sle, sse, ssei

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