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Old 04-06-2011, 09:40 AM   #1
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Warning lights

I have a 2010 Wrangler Sport with a 2" suspension lift. Because I'm lazy, I take it through the automatic car wash every so often. When I do, while I'm in the car wash the check engine light and the traction light both come on. The traction light goes off after about and hour or two, but the check engine light stays on for about 24 hrs, then goes off and on for the next couple of days. I took it to the dealer and no codes are being stored. I am sure something is getting wet to cause this, maybe because of the lift. Anyone have any ideas?

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Old 04-06-2011, 09:48 AM   #2
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1. Stop using the automatic car wash
2. Probably a short or something, not an actual code being thrown
3. Stop using the automatic car wash!! That's a lot of water pressure being sprayed all over on a vehicle not really known for being water tight.

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Old 04-06-2011, 09:52 AM   #3
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Tutn engine off-hand wash, or use "Magic Wand" I do, it works better cause you can get fender wells/tires/wheels/frame/spare/skidplates/road kill/sail kittys-etc

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Old 04-07-2011, 09:31 AM   #4
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Got it, I just have to quit being lazy and wash the darn thing by hand. I just thought it unusual that getting wet would cause this. But your right that is a lot of pressure being sprayed right into the wheel wells. Thanks for the input and the kick in the rear.
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Old 04-07-2011, 10:07 AM   #5
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Hmm. I've went through several automatics with my 2010 without any problems at all. If I was you, I would have this looked at because I don't think it's "normal."
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Old 04-07-2011, 10:11 AM   #6
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I use the touch free car wash quite a bit (DIY with the wand), but never an automatic.
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Old 04-07-2011, 10:15 AM   #7
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I've only used an automatic car wash one and I didn't have an problems, no leaks or warning lights. Once I started adding mods I wanted to be choosey about where the water goes, so now its always washed by hand.
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Old 04-07-2011, 10:20 AM   #8
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In general, automatic car washes are not all that great for any vehicle, if you're concerned about the lifespan of the finish.

With your issue specifically, I would definitely have the Dealer look at it again, you have a short in the wiring harness somewhere. Based on how you describe it, I would guess a wire has been rubbing on an edge somewhere and has worn through the insulation enough that water can penetrate.
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Old 04-07-2011, 05:27 PM   #9
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Quote:
Originally Posted by LaTuFu View Post
In general, automatic car washes are not all that great for any vehicle, if you're concerned about the lifespan of the finish.

With your issue specifically, I would definitely have the Dealer look at it again, you have a short in the wiring harness somewhere. Based on how you describe it, I would guess a wire has been rubbing on an edge somewhere and has worn through the insulation enough that water can penetrate.
I think I will take it back again. I thought that maybe because of the lift the wheel well was letting the water through and getting something wet. I didn't have any problems with this until I got the lift, and even then I've been through the wash a few times with no problems. Its happened the last two times I went through.

Think I'll crawl under and over this weekend to see if I see anything before taking it back.

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