2001 CEL Codes - How To?

[Douglas Fifield]

Gents and Gentiles,

My GF has a 2001 A4 1.8 Tip that has had a lot of issues.  Most
recently had a new short block put in.  Ever since, it has been
throwing CEL codes that point to "insufficient flow, secondary
airpump."  Since my UrS6 runs an AAN engine, I am unfamiliar with this
system.

So, two questions.  Is there a way on the 2001 A4 to read the codes
without a VAG tool?  And, two, anyone familiar with the secondary
airpump system and how it might be addressed?

All thoughts welcome.

-- 
Douglas in MN
95.5 Audi S//6 Avant
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