Odyssey battery draining

550

Asked by Apr 29, 2015 at 04:48 PM about the 2007 Honda Odyssey Touring FWD with DVD and Navigation

Question type: Maintenance & Repair

My odyssey's battery keeps draining!  We just bought the van in November.  We thought
it might had a bad battery so we replaced it.  Worked fine until it sat for a couple days.
Battery is completely drained.  No interior lights were left on.  When the battery was
working the front interior lights are not working when the lights are set to turn on when
the doors are opened.  They won't cut on with that switch at all but the back lights do.  
They will cut on if you manually press them. The little orange light that lights up the
center console is not cutting on at all. We were thinking it might be a problem with those
lights. Anyway, it's not the alternater as its draining while it's parked and off as if
something on the inside was left on but we can't figure what. Any ideas how we can pin
point it?

21 Answers

550

I just read a post talking about the doors and the battery draining. We have been having trouble with the doors seeming to hang up when we try to open or close it. It would act as if something bumped it and would beep and open/close back. The safety feature and all...

39 people found this helpful.
550

In other words could the door be related and how and how would we fix it?

14 people found this helpful.
60

Check YouTube for checking parasitic battery drain

6 people found this helpful.
475

You appear to have a parasitic drain problem. I had this on a 2008 as well as a 2014 Honda Odyssey van. What the problem was is that a AC relay fuse had gone bad. When the fuse goes bad, it constantly tries to engage the air conditioning compressor even when the vehicle is turned off. As a result, it keeps trying to engage the compressor until the battery is totally drained. The AC relay, which is less than thirty bucks, should fix your problem. Swap it out with a new one, and see if that fixes your problem. If it does not, please take your van to a real mechanic to do an electrical system analysis.

39 people found this helpful.
200

Same problem on my 2005 Honda Odyssey EXL drains battery, alternator n battery good. Both sliding doors good. Replaced A/C Clutch Relay(R4), Ebay $9.50 for 5, very cheap!

20 people found this helpful.
60

YOU HAVE THE WRONG BATTERY IN YOUR VEHICLE. UPGRADE YOUR 550 ACC BATTERY TO A 600 ACC OR HIGHER. YOU WILL BE GLAD YOU DID. SAJ

6 people found this helpful.
90

When you needed to to replace the AC clutch relay cuz it was draining your battery dead was your air conditioning still working

9 people found this helpful.
150

Great answers, but my problem was not the ac relay, Left slider door was not working and the drain was from the micu module in the rt rear of the vehicle...pulled the top left right plug off that part and the .6 amp current drain went to 0...no battery problems since, Now to figure out what's going on with that door...

15 people found this helpful.
230

I'm having a similar issue with my 2018 Odyssey. It's just over a year old and kept in the garage, so the battery shouldn't need replacing yet. I brought it to the dealer for a sliding door latch recall. Since then, the battery has been dying every weekend. After it happened the first time, we've been hypervigilent checking the lights, etc. We haven't left anything on or open. So we think it's the doors. I'm at the dealer right now waiting to see what they say....

23 people found this helpful.
40

GuruCTQH4 I am having the same issue. Could you let me know what the dealer said and if the issue was fixed?

4 people found this helpful.
20

I have the same problem and have not found the solution. It is draining 0.2 amp and if I keep the car standing for 2-4 days - It dies. I took out fuses one by one and check if current dropped. I didn't find any fuse that significantly reduces the drain current. I need help which components/subsystems don't go through fuse system.

2 people found this helpful.
10

I’m having the same issue. We are on third battery and replacing every two years.

1 people found this helpful.
30

Same issues with battery drain. I have been experiencing noted issues with doors and over the summer my AC did stop working. We are on battery #3 and alternator #2 (about 9 months span) Going to attempt to follow some of the tips noted in here.

3 people found this helpful.
130

We are on our 3rd battery. Did a parasitic battery draw test and had .32 ma draw. Pulled Backup #7 fuse and reading decreased to .02 ma. Looking at the schematic it’s showing the rear sliding door mechanism might be the culprit. Might have an issue with the micro switch causing an audible door alarm while in drive. There no warning lights in the instrument panel indicating the rear sliding doors are open. I’ll post my finding once I find the root cause.

12 people found this helpful.
10

We are also having audible door alarm while in drive. Switching to manual door silences the alarm but the battery drain has been happening along with it since fall. Waiting to hear your finding Odydude. Thanks!

1 people found this helpful.

Any answer to audible door alarm while driving? I'm having repeated dead batteries in 2016 Odyssey and have had problems with door alarm for past year (usually when very hot outside).

70

i had this problem on my 2009 Honda Oddysey. i did all the checks, replaced the AC relay, took it to several shops and still had the problem. I notice that there are 10 relays with the same part number as the AC relay. There are 4 under the front driver side above the fuses, 3 on the front passabger side next to the fuses, and 3 under hood 1 being the AC relay. I went through 4 batters in a years time. I thought if the AC relay could cause this problem, then any one could be a problem seeing that they are the same relay. I replaced them all about 4 months ago and it fixed the problem. I do not care which one was bad, all I know is the problem is fixed.

7 people found this helpful.

I have a my Odyssey 2007 at the Honda dealership for 3 weeks you let the car sit three days battery is dead. They put new battery, changed ac relay switch fixed both power door still believe there is an issue wit left door, but they said no any other ideas

10

Go to a mechanic that specializes in electrical. You don't happen to live in nocal?

1 people found this helpful.

Kamibird, I'm having same battery drain and left sliding door problem on my 2009 Odyssey EXL. Do you know a good mechanic that specializes in electrical around Sacramento CA?

if you leave your key in it drains the battery... i have the same dead battery problem.. the doors arent connected so that they shut by themselves and i think the doors are our problem also..

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