Manual DBS cruise control failed
 

Hello at all
please for a friend with his 2008 manual DBS....
for years. once the cruise control is engaged, it always disengages within 30 seconds maximum.
AM local dealer didn't look much...and didn't find the problem!
some ideas where to start?
i see part 1 to begin...
https://www.scuderiacarparts.com/part-finder/aston...
thanks to all of you

perhaps the same shematics on Vantage ?

Hello
Any advices please for this problem on Vantage / DB9 / DBS / Vanquish / Rapide ?
Any cruise control module to find ?
Thanks