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Author Topic: Me again  (Read 684 times)

Offline Jakehands

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Me again
« on: December 14, 2019, 04:16:37 PM »
Water on airbag control unit. Was doing some tip runs then the airbag light came on. Checked under passenger seat and it is soaked. Also floor well passenger side :S o did drive through a puddle lol. I have dried it as well as i can. Is it toast or will it work again?

Offline brianh

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Re: Me again
« Reply #1 on: December 14, 2019, 07:37:30 PM »
If you dry it out you might be lucky, only way your going to find out is to try doing so, Wasn't aware the airbag ecu even was there.

Usual cause of water there is either leaking rear washer (passes through that side of the car), or blocked scuttle drains. Any idea if its water, screenwash or coolant?

I'd have a check in the scuttle and clean it out if you haven't done so recently, good chance you will find a hidden swimming pool back there

Offline johnnyroper

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Re: Me again
« Reply #2 on: December 14, 2019, 11:12:20 PM »
As far as I recall itís just PDC module under there the airbag ECU is under centre console. Wonder if water has got in seat wiring to cause airbag light?

Offline Jakehands

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Re: Me again
« Reply #3 on: December 15, 2019, 11:10:01 AM »
Right i instantly assumed it waa the airbag controller. Gonna have a look today and see if it has stopped/turned off i need to pull the carpet up amd have a look under just need the time to do so

Offline Mirez

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Re: Me again
« Reply #4 on: December 15, 2019, 03:23:24 PM »
Airbag controller is on top of the transmission hump, as far forward as you can go. Essentially, to the left of the clutch pedal.
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
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With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline Jakehands

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Re: Me again
« Reply #5 on: December 30, 2019, 05:43:46 PM »
Been advised to use contact cleaner on the airbag connector to see if that works. Aux fuse box burnt christmas eve any work around temp for this?

Offline Mirez

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Re: Me again
« Reply #6 on: December 30, 2019, 06:07:10 PM »
Whoever advised that doesn't know what they are doing.

The contacts are sealed on SRS Controllers so there is no point cleaning them. If the light is on then it's also a 'locked' fault meaning it will need to be reset electronically. Even if the fault is rectified then the light will remain on.

You need to clarify your post. Where was the water? The SRS controller is at a high point so it's almost impossible for water to pool on it.

IF the well under the passenger seat was FULL of water then it's more likely you've taken out the side impact collision sensor which will need to be replaced and then reset to clear your fault.
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
With black leather interior, panoramic sunroof and bi-xenon headlights.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline daddyfixit

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Re: Me again
« Reply #7 on: December 30, 2019, 08:07:16 PM »
is rear screenwash working ??   has the plastic joint popped apart (cold weather blocks jet) and so the screenwash bottle contents end up in nsf footwell ?

Offline brianh

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Re: Me again
« Reply #8 on: December 30, 2019, 08:30:30 PM »
Been advised to use contact cleaner on the airbag connector to see if that works. Aux fuse box burnt christmas eve any work around temp for this?

The airbag bits have already been answered by Mirez and there isn't a way round getting rid of the fault light without VCDS, so you might as well get yourself a cable like this for £5 > https://www.ebay.co.uk/itm/USB-Cable-KKL-VAG-COM-409-1-OBD2-II-OBD-Diagnostic-Scanner-VCDS-VW-Audi-Seat-A/263852733774 and a free copy of vcds lite as you won't be able to sort anything further until you do. If the controller is shot due to getting wet (which has been suggested is unlikely to be the case) then VCDS probabbly won't connect, but if it does your not wasting time and money trying to fix something where your not even sure whats actually wrong with it.

It seems he missed your other question regarding the fusebox, there isn't really a workaround for it other than fixing the fusebox - at least not one I'd recommend. The ratings of the fuses in there are very high as they supply the alternator feed to the battery amongst other things, you can't safely bypass them. You might get away with cleaning the contacts up and reassembling it for a few days whilst you wait for another fusebox, but you may also find that results in the box falling to bits if its melted much.

Offline Jakehands

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Re: Me again
« Reply #9 on: December 31, 2019, 08:03:01 AM »
Thanks for the info. My rear window jet i crimped off at the pump itself to stop it doing this a long time ago lol. Shouldve mentioned that. I think there may be a hole as water is still getting in. I cant use obd2 port as i still havemt had chance to check the k-line lol i need to spend a bit of time with the cat before i service it. The alternator cable on the 150a split from it so ill keep charging the battery until the new one turns up (germany £28 uk £35)

Offline brianh

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Re: Me again
« Reply #10 on: December 31, 2019, 08:22:41 AM »
If it's not the rear washer, then its probably rainwater, check the scuttle drains are clear. If they are blocked it fills up under the pollen filter. Or could be the ac condensate drain is blocked and it's coming from there.

Offline Jakehands

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Re: Me again
« Reply #11 on: January 02, 2020, 10:14:56 AM »
Okay i need to do the pollen filter anyway so may jist order one and check it. The ac part is that on the rad? My ac doesnt work (clutch damage) ill check and update. Also as a FYI if you notice any hazards being eratic or fan unit flashing it could be the aux fuse box as these were what happened before it died on me lol

Offline brianh

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Re: Me again
« Reply #12 on: January 02, 2020, 10:41:17 PM »
The AC part is the other bit in the heater box, but if the AC doesn't work, then it won't be building up condensate in the box, so ignore that possible cause. Is it rainwater do you think? Or coolant (smell will tell you if its coolant usually, sweet sickly smell to coolant).

They are known for blocked scuttle drains on these, due to the poor design. Theres in insert (like a spout) that catches all the rubbish that gets in the scuttle and ends up with a small swimming pool forming in the scuttle area. Remove the spout bit if its still there and unblock the area. Also note that when i didn't have the scuttle installed, I found it leaked as well, so a badly installed scuttle (that isn't in the clips properly) might cause it too.

Offline insanitybeard

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Re: Me again
« Reply #13 on: January 02, 2020, 10:54:37 PM »
The inability of the scuttle panel to keep water out (or maintain a watertight seal when the sealing strips the scuttle seats against perish and break up over time) is borne out by just how much water collects in the strut top cups, with all the problems that causes further down the line when you need to take the struts out for whatever reason!
Always learning..... Often by mistakes!

Offline Jakehands

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Re: Me again
« Reply #14 on: January 09, 2020, 07:02:00 PM »
Okay still to check the scuttle got the alternator power going back into the battery :) the car just smells mouldy tbh i think the cabin filter may be mouldy its just getting time to sort it all out lol.

Offline brianh

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Re: Me again
« Reply #15 on: January 09, 2020, 07:20:29 PM »
If the cabin filter is mouldy, then its getting wet and staying that way, which it shouldn't do normally. If it gets parked near trees, or similar debris, then you've most likely got a blocked drain (or even both of them)

Offline Jakehands

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Re: Me again
« Reply #16 on: February 05, 2020, 11:03:10 AM »
Right got round to doing the cabin  filter (was easier following the common faults section) and carpet mooseing the car lol. No liquid in tbe cabin filter/mould there was a fair bit of debris in there which i have no cleaned out. So im assuming it wasnt from there where water was getting in. Ive double checked the water pipe going to the boot and that is all intack. Suprisingly enough ive had a yellow bulb on in the car with a ! Mark in it since i brought it and that has now gone off :S doing a full service this week as i havent done it yet so will be triple checking the areas under the passenger seat for holes.

Offline brianh

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Re: Me again
« Reply #17 on: February 05, 2020, 04:44:15 PM »
The bulb failure light (which it sounds like the one you mean is) only monitors a few bulbs - Brake lights and headlights I think and thats it. That should light on starting the car, and then go out after the first time you press the brake pedal.

If its rainwater, and its not coming from the scuttle, a badly fitted windscreen has been found to cause it by other people previously. Though it could also be a door seal, damage somewhere (underneath or otherwise) or a leaky sunroof if you have one (drain hoses might cause that). But none of them are common issues really.

Offline Jakehands

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Re: Me again
« Reply #18 on: February 06, 2020, 03:32:44 PM »
Ahh i wasnt sure what it was for i changes the rear brake light as that failed so that explains that. Will check all seals around window ect. Had it washed the other day and didnt notice any water getting in from the windscreen.

Offline Jakehands

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Re: Me again
« Reply #19 on: February 06, 2020, 03:33:38 PM »
No sunroof on this one its the ghia with dual ac

Offline johnnyroper

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Re: Me again
« Reply #20 on: February 06, 2020, 07:30:47 PM »
The small front quarter light windows can leak but difficult to see as it runs down behind the trim. Also windscreen leaks can go in detected as it runs down behind dash. Peel carpet back under dash and look for water traces

Offline brianh

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Re: Me again
« Reply #21 on: February 06, 2020, 08:03:07 PM »
The only other time I can remember getting a flood in the older one I had, was when I'd left the scuttle out for a few days (was in the middle of sorting something out that needed it removed, can't remember exactly what now). But I think I also found if you didn't have it sat properly on the seal it could allow water to get in somehow. I've no idea how it got in from there though.

Offline Jakehands

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Re: Me again
« Reply #22 on: February 08, 2020, 01:17:44 PM »
Yeah i removed it again yesterday to do a service - glow plugs. Turned out water is getting in the scuttle -.- the seal on the base of the windscreen dont seem to great either. Dont wanna have to get rid of a good car which now runs alot better after servicing because of damp issues

Offline brianh

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Re: Me again
« Reply #23 on: February 08, 2020, 09:48:44 PM »
I'd be checking if water is building up there, that the inside of the wings aren't backed up with rubbish stopping water getting out. Should only be a case of removing the screws from the wheel arch liner to do that.

Offline Jakehands

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Re: Me again
« Reply #24 on: February 26, 2020, 07:12:03 PM »
Okay thanks still have to do brakes so will whip it off and have a look. Its even coming through with screenwash now (grape scented) lol

Offline Jakehands

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Re: Me again
« Reply #25 on: March 04, 2020, 09:57:44 AM »
Still to check and do brakes (not worn dodgy sensors) but have more wierd goings on. Did the aux box and it starts fine now. But my hazards flash all the time until i flick the main beams on then back to side then they stay off. Confused

Offline johnnyroper

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Re: Me again
« Reply #26 on: March 04, 2020, 10:22:31 AM »
If it only started doing strange things since aux box changed I would be concentrating on that rear initially. In there is the main feed to main fuse box so could be you have a dodgy connection causing it? I would check and double check all connections in aux box and on battery including earth points.

Disconnect battery and methodically check everything is clean and tight.

Did you use a new box,second hand or repair existing one?

 

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