S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

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Old Apr 20, 2005 | 07:11 AM
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Will an ECU for a 2002(AA) work for 2001(L)?
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Old Apr 20, 2005 | 07:12 AM
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Mine does. After re-coding
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Old Apr 20, 2005 | 07:19 AM
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Default yes it does. my chipped ECU was originally an AA, but it works in my L-box car.

not sure how to do teh recode though. VAG COM reads it as an L-box...
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Old Apr 20, 2005 | 07:23 AM
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Note...The AA-box was brand new, never installed. So it might be different for a used one
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Old Apr 20, 2005 | 06:31 PM
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Mine does also. Did not need to recode.
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