Cause
Communication fault between electrohydraulic suspension component parts through out-of-date software (application
software and bootloader software).
Remedy
With the latest hardware item number for the electrohydraulic pump units A167 901 62 03, the new application software A167 902 31 12 and the new bootloader software A167 904 18 01 have to be flashed.
With older hardware item numbers, please open a PTSS case.