cmeinck my wife bought an h3 on sept 20, 2005. it has been dead 4-times as far as starting. it still had lights on dash and underneath, but the dome light wouldn't come on and it wouldn't turn over. the problem is the bcm (body computer module). the dealer said the first units that came off the line have faulty units which causes the hummer not to start. the hummer is currently at the dealers. they installed a new bcm from a new hummer off the lot because of the backorder status of this part. this was a mistake. the manufactuer says it has to be a new unit that is programmed only for the vehicle it is going into. we have a loaner car right now waiting for the hummer to be fixed. my wife really likes her new hummer, but this problem has her uneasy because she was at work the last time it happened and she had to have the vehicle towed back to the dealer.
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Originally posted by cmeinck:
I'm hoping someone here might be able to offer some insight on what might be causing my problem. I have 1600 miles and I've had to use roadside assistance 3 times. About 5-6 weeks ago, I noticed that the inside light on my H3 was not going off. The problem went away before I had a chance to bring it in. I figured everything was ok. About 1-2 weeks later, I go out to my H3 and it's completely dead - the alarm didn't even work. Anyway, I called Roadside Assistance and they jumped the truck. I left it started for about 1/2 hour and called the dealer. He said if it happened again, to bring it in. A few weeks later, after the car sat for 2 days or so, the same thing happened. I called the dealer and they suggested having it towed, so they could diagnose the problem. They checked it and then put it on some machine overnight to see if the computer was drawing more than it should overnight. They didn't notice anything out of the ordinary and replaced the battery. Last night, about 1.5 weeks after bringing it in, I went out and the same thing happened. Totally dead H3. Roadside assistance is coming in an hour to jump it.
The only thing I've done to the H3 was to have the iPod hooked up through the stereo. I take my iPod in every night, so it wasn't hooked up when the problem occured. I contacted the car stereo installer and they said it would have to sit for a month with the iPod drawing for it to cause the battery to completely draw down.
I'm concerned because this is a reoccuring problem and it doesn't seem like the dealer knows what's causing the problem.
Does anyone have any ideas? I'll be calling the dealership first thing tomorrow morning.
Thanks in advance.
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