What can cause an ECU to be broken?
The only way water can damage an ECU is if someone has split the case and therefore compromised the factory water seal.
What to do with a water damaged ECU?
Any water damaged electronic device will behave oddly and unpredictably. Your best bet, unfortunately, is to get a new DME. I wouldn’t risk a shotty repair on a module that controls your engine, the most expensive part of your car. Many local coders can retrofit a DME for you. Whether or not a used DME can be retrofitted, I’m not sure.
Is it possible to water damage an Audi ECU?
If the ECU is under the wipers where they usually sit on VAG hatches, there is no way they can get water damaged. I think they are sealed to IP68 standards (google it), but you need confirmation from Audi.
Can a golf ECU be damaged by water?
The ECUs have been in the scuttle area ever since the MK2 Golf and I’ve never seen one fail due to water ingress personally. It’s certainly not as common as your garage are implying. The only way water can damage an ECU is if someone has split the case and therefore compromised the factory water seal.
Is there a water damage problem in my ECU?
It locks in place and has a slim chance of working itself loose. Had a rough-running problem shortly after starting in a 2008 328i. Dealer diagnosed water and leaves in the ECU. Turned out that once everything was clean and dry, no more problems. ECU must not have really been wet. Hopefully this will work for you as well.
How to deal with the most common car ECU problems?
These are the advised tips to go about dealing with the most common car ECU or ECM problems. Whenever the ECU acts up; it is better to have it checked and not wait until inconveniences are experienced. But, overall the most common car ECU problems is a breeze to diagnose due to digitalization.
When do you need to check your ECU?
When the engine performance is compromised; with chances, the ECU or ECM has problems and needs to be checked how bad the problem is! These problems could be the following which can be inconvenient, and prevent the car from starting all together. If an ECU needs checking or replacement will just shut down and the car will just stop.
Why is moisture a bad thing in an ECU?
The ECU has seals around it which are supposed to prevent moisture from entering inside. However, after a number of years, these seals tend to become worn out. If the seals become too worn, it will be easier for moisture to pass through them and enter the ECU. Moisture is a bad thing to have in an ECU because corrosion will form on its components.