Quote:
Originally Posted by whizzkid23
I can not imagine that it will cure the problem permanently, or have you experienced it? I took the battery out of the car to recharege it - this should be equal to pull the fuse, and only after reattaching the battery I looked for the drain and found it. That tells me that the problem is always there or, at least, coming back when it wants.
I will now use the car without fuse 74 in the coming days, to confirm the culprit 100%.
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I have experienced it. Both times after an alternator failure. Disconnected the TCU and reconnected later. Problem solved. If it doesn't, pulling fuse 74 will confirm it is actually the TCU. If you pull the fuse and leave it a couple days and the battery isn't drained, there you go. If it doesn't, then it's something else. Other culprit is the NAV if you have it or the FSU.