Cruise Control Problems

Max Hoepli mhoepli at
Sun May 14 20:15:12 EDT 2006

in type 44 as far as I know the Steuergerät is under the steering wheel
column panel, tricky to take off and much skill needed to install again.
most likely the Steuergerät is not the fault.


----- Original Message ----- 
From: "Joseph W. Mott" <mottcom at>
To: <quattro at>
Sent: 14, May 2006 18:45
Subject: Cruise Control Problems

> Wondering if anyone has BTDT w/ cruise control problems on a '91 Avant.
> I've checked fuses, tested the throttle servo w/ vacuum, tested the
> brake and clutch switches to ensure they hold vacuum and dump vacuum
> when depressed.  I teed the line from the pump and it makes slight
> vacuum when setting cruise or hitting resume, but not much.  I'd go
> through the test procedure in the Bentley book, but I can't even find
> the damn cruise ECU control unit, and the manual (section 97) is not
> much help other than it's looks like it's somewhere under the dash on
> the passenger side..  It has to be the worst over-$100 manual ever
> published.
> My wife has a bad knee and needs the cruise.  She's gonna give me one if
> I don't get this fixed?  Any suggestions?
> Joe Mott
> '91 200TQ Avant
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