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Old 01-06-16, 09:10 AM   #1
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Default I appear to have killed my car :(

Good morning guys and girls

Well, i hope your morning is better than mine!

so last night i was driving along, pulled into a service station for a coffee, and when i went to drive off..the car wouldn't start so i got it recovered home and plugged the laptop in, only to be supplied with a whole heap of fault codes.




it seems none of the subsystems of the ecu are communicating,no AC, no ABS/ESP, no injection of fuel and definitely no ignition!

earlier yesterday the car drove fine but of course it was heavily rainy in the south of UK and some unavoidable puddles the size of lake garda were driven through, i couldn't see the car being hydro-locked as it drove fine for hours afterwards.

This is so far beyond what i am confident of doing as i've no idea where to look to correct the issues?
short of spraying all the connectors i can access with wd40 (assuming it is an electrical gremlin that water has made) i don't know how to proceed...

Can anyone offer some suggestions please?

Last edited by MightyMision; 01-06-16 at 09:30 AM.
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Old 01-06-16, 09:39 AM   #2
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That looks a bit naughty!

Have a look to see if the rain has saturated the BSI/ECU compartment. That may point to some of the shorting, but failing that, I don't know what else to suggest
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Old 01-06-16, 09:50 AM   #3
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You're right...its definitely not looking promising!
the box that holds the ecu and other main connectors was dry and all the plugs in it were dry too,i sprayed them anyway just in case but i hasn't really achieved anything.
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Old 01-06-16, 10:06 AM   #4
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did you check the bsi for signs of water, the bsi is the fuse box inside the car so also check the passenger foot well for water even lift the carpet to check for water
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Old 01-06-16, 10:12 AM   #5
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All I can think of doing is having the BSI tested. You could try a BSI reset and see if that does anything.
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Old 01-06-16, 10:18 AM   #6
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oh sorry! i assumed the BSI was an ecu,so it wouldve been in the front left of the car..ill go check that now, might aswell inspect the fuses too..
Thanks Jimmy!
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Old 01-06-16, 10:31 AM   #7
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Quote:
Originally Posted by MightyMision View Post
oh sorry! i assumed the BSI was an ecu,so it wouldve been in the front left of the car..ill go check that now, might aswell inspect the fuses too..
Thanks Jimmy!
the bsi and ecu are 2 different thing, the bsi is the main brain that communicates with everything else, if it is water damaged i may be able to repair it for you
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Old 01-06-16, 02:00 PM   #8
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Thanks for the offer...that's interesting. how much does it cost to read/repair a BSI unit?
it does appear the BSI is not talking to the other ecu's, all the fuses are fine, around the BSI and in the engine bay.
IT appears the immobiliser isn't being read either, according to planet at least.




[url=http://postimg.org/image/80e39pzvv/]
but if the BSI is inside the body of the car, and not in the engine bay...wouldn't that be the least likely item to fail?
in terms of water damage etc.
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Old 01-06-16, 02:01 PM   #9
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[url=http://postimg.org/image/hd5hmcovf/]
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Old 01-06-16, 02:02 PM   #10
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