Possible to swap ECUs an M for a CH? If not. Why?
11-19-2002, 05:36 PM
#3
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The Tip and Manual codes can be changed using a VAG Tool.
I have done this already when a friend wanted to borrow my extra ECU when he took his car in for service. Just changed the soft code and it worked fine. I have heard the M and CH are interchangeable. I will be trying this out with my bro's car. He has a 2001 with the M ECU and I will let him try my CH X-chipped ECU in his car. From what I have heard, it should work with no problems.
11-19-2002, 06:56 PM
#5
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The CH box is just an updated M box. It just has different software in it.
It is not like the car that has the CH box is any different then the car with the M box, since both of them are still A4's and both are 2001's.
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