Wipers wont stop wiping!
10-04-2014, 07:14 AM
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Wipers wont stop wiping!
I have an 02 a4 an like the title states the wilers wont stop wiping. They cotinue to wipe at a constant speed no matter the position of the stock. Ive replaced the wiper stalk itself, the wiper motor and greased the wiper transmission and nothing has solved my problem. Any advice would be greatly appreciated!
10-06-2014, 12:29 AM
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The cause is probably the Onboard power supply control module.
It controls the power supply to certain electrical consumers like indicators, horn, washers, wipers and other circuits. It has probably failed internally or possibly even got wet. To access it, remove the drivers side under dash trim panel and look up. You should see a silver square ecu with multiple connectors on it. There will be a part number on it, however they are coded so the replacement will need to have the same coding input if it isn't already.
It controls the power supply to certain electrical consumers like indicators, horn, washers, wipers and other circuits. It has probably failed internally or possibly even got wet. To access it, remove the drivers side under dash trim panel and look up. You should see a silver square ecu with multiple connectors on it. There will be a part number on it, however they are coded so the replacement will need to have the same coding input if it isn't already.
05-04-2016, 12:44 PM
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Hello
The cause is probably the Onboard power supply control module.
It controls the power supply to certain electrical consumers like indicators, horn, washers, wipers and other circuits. It has probably failed internally or possibly even got wet. To access it, remove the drivers side under dash trim panel and look up. You should see a silver square ecu with multiple connectors on it. There will be a part number on it, however they are coded so the replacement will need to have the same coding input if it isn't already.
It controls the power supply to certain electrical consumers like indicators, horn, washers, wipers and other circuits. It has probably failed internally or possibly even got wet. To access it, remove the drivers side under dash trim panel and look up. You should see a silver square ecu with multiple connectors on it. There will be a part number on it, however they are coded so the replacement will need to have the same coding input if it isn't already.
Ok amigo I found the onboard power supply what code needs to be the same as the new one I purchase?? It's for an Audi A4 Quattro 1.8 turbo 2003 its base
05-10-2016, 03:24 AM
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Hi, the one ending in E is the actual part number, which needs to be the same, but the number I was referring to is the "coding" which can only be read by a diagnostic tester and changed with a tester.
06-01-2022, 06:03 PM
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Hi, my this assembly is burnt (red circle) and I buy another the onboard power supply control module, beside that can you tell me what is this assembly (red circle) that I can buy. Otherwise, other assemblies are fine. thank you
12-28-2022, 02:58 PM
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Wiper, horn, signal, lights issue.
So I have had the same issue. I've replaced the wiper stalk (actually all the stalks), the clock spring and the body control module with no luck. Horn stays on when battery is hooked up and wipers won't stop wiping at all. Highbeams not working either. I'm also stumped. I didn't see any burnt wires though...any help would be greatly appreciated.
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04-15-2023, 01:24 AM
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So I have had the same issue. I've replaced the wiper stalk (actually all the stalks), the clock spring and the body control module with no luck. Horn stays on when battery is hooked up and wipers won't stop wiping at all. Highbeams not working either. I'm also stumped. I didn't see any burnt wires though...any help would be greatly appreciated.
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