Steering wheel control issue

[AshleyHurst]

Hi All

I took my caddy to the cleaners to get cleaned. When I returned to pick it up it wouldn’t start as they had pressure washed the inside of the vehicle

I left the van dry out and after a few days it started again and run

Since this all my controls on my steering wheel stalk have stoped working, no wipers, no full beam, screenwash, and indicators. My hazard button works and switch’s hazards on but have no flashing indicators on dash nor is the hazard button flashing or lighting up.


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[STP]

Mate, that's awful. I have to ask, who the FK pressure washes the inside of a vehicle! Was this a bunch of monkeys in a zoo? Or Meerkats maybe?

Seriously.

They probably soaked your canbus gateway or steering wheel module. I've heard it all now.

[The_Evil]

OMG!
I'd try to connect to the ODB port and check if you can see anything.
It sounds like the steering wheel control module is dead.

[AshleyHurst]

They soaked the control module not sure what possessed them to do it tbh


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[AshleyHurst]

Control module has had it


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[STP]

Now you have the problem area exposed, what I would do is get hold of contact cleaner or isopropyl alcohol (eBay) asap and hose the module with that, use a stiff toothbrush and scrub away all of the corrosion and see if it comes back to life, you might be lucky. That crusty stuff is likely conductive and shorting out some low voltage components. The green stuff indicates copper sulphate/ oxidation I expect.

If it still doesn't work then of course you need a replacement and it will need coding if from a different vehicle with different options / equipment but if the same, it should work straight away.