Switching ecu for dealer visit
#2
They will know the ECU was without power.
I think the same code is thrown if you disconnect your car battery, which you are supposed to do when you leave it parked for a while. Can anyone here confirm it's the same code?
#3
yes it will throw a code, either drive around for a while and that code will get cleared or clear
the code with a vag com. Then they won't know unless it physically looks like it was tampered with.
#6
I have had my ecu out more then 1000 times
and have yet to see that happen. I took my ecu out about 3 weeks ago(dec 6) and have not cleared any codes yet since my CEL is still on because I dont have the 2nd 02 sensor in the exhaust right now. I will check it again to see if the low power code is still there.
#7
It has something to do with the # of warmup cycles the car goes thru.
I ran a little experiment myself to see if the low volt code would go away, and it took close to 2 months for my code to disappear.
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