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Discussion Starter · #1 ·
As the title says, these things all stopped working at once, and maybe more things I haven't noticed yet as it just happened tonight. One of these happening would probably be a fuse, all at once seems to be either a master fuse or a piece of electronics got fried.

Any ideas? I'm bringing it to Honda tomorrow in any case as I'm still covered. I've driving from Chicago to NYC tomorrow too, and I hope they can get to it right away and that's mostly why I'm asking for advice if they can't.

It's a 2007 EX-L without Nav or entertainment. I haven't had any other problems with the car in the year and a half I've owned it.
 

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In order of likelihood:

Battery failure or impending failure.

Or master control module failure.

Or a fuse problem.

No way would I take it half-way cross-country the same day they fix it, even if they do fix it while you wait... but that's just me. I'd rather get my faith in the vehicle back while I'm still in town... :rollingeyes:
 

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Discussion Starter · #3 ·
I doubt the battery as the car started right up even though these things weren't working. I'm still hoping the fuse. One other factor, there was a thunderstorm that went through, but I've been through lots of thunderstorms before. A direct hit is highly unlikely in any case.

Unfortunately I don't have much choice about the drive.

Off to Honda...
 

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I doubt the battery as the car started right up even though these things weren't working. I'm still hoping the fuse. One other factor, there was a thunderstorm that went through, but I've been through lots of thunderstorms before. A direct hit is highly unlikely in any case.

Unfortunately I don't have much choice about the drive.

Off to Honda...
Do report. When batteries start varying voltage, strange things happen with our heavily-computerized vehicles... hope it's the fuse as well... :rollingeyes:
 

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Discussion Starter · #5 ·
It turned out to be corrosion on the contacts of the control module. it was cleaned up and all is working again. When I brought it in they told me to expect the worst and the diagnostics showed all kinds of communication failures. I solve problems like that at work with networks, but in a car it is all just too much.

There was probably moisture that leaked in during the storm that finally just broke the connection as it all worked before the storm. There were 2 drenching rains that both lasted about 20 minutes. Lollapalooza was a lot of fun in that rain.
 

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Ah. So sort-of a battery problem (control module doesn't know or care if voltage variations come from corrosion slowing the flow of electrons, or a battery starts to go south)... Glad that's all it was! :DD
 

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It turned out to be corrosion on the contacts of the control module. it was cleaned up and all is working again. When I brought it in they told me to expect the worst and the diagnostics showed all kinds of communication failures. I solve problems like that at work with networks, but in a car it is all just too much.

There was probably moisture that leaked in during the storm that finally just broke the connection as it all worked before the storm. There were 2 drenching rains that both lasted about 20 minutes. Lollapalooza was a lot of fun in that rain.
Does anyone know where this "Master Control Unit" is in the '07 Odyssee? I have the exact same problem after a big rain storm, so would like to try cleaning/drying that before taking it to Honda. Thank you in advance! - Mitch
 
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