Hints and Tips about the electronic speedometer used in many Audis, Volvos, BMWs, Vauxhalls, etc.

They use an obsolete ITT UAF2115 (replaced by the equally-obsolete UAF1025).

They are most prone to dry joints, poor connection problems and the occasional short circuit capacitor.

1996 Audi S6
5 cylinder, 2226cc, 169kW
- bought in 2004 (78k)
- now at 98k

1995 Audi S6 Avant
5 cylinder, 2226cc, 169kW
- bought in 2002 (66k)
- now at 93k

1989 Audi 100 Avant 2.2E
5 cylinder, 2226cc, 100kW
- bought in 1997 (110k)
- now at >250k
- about to be scrapped

1983 Audi 100 Avant CD Auto
5 cylinder, 2144cc, 100kW
- bought in 1993 (90k)
- expired in 1997 (150k) after glancing off Cotswold stone wall in icy conditions in Chipping Campden.

1984 Audi 80 quattro
5 cylinder 2144cc, 100kW
- bought in 1990 (58k ???)
- scrapped in 2002 (185k)
- superb car!

The parking brake mechanism often seizes on these cars.  It is possible to dismantle and repair the seized components.

Dealing with the dreaded 08.5, 11.6 and 13.5 errors.