Memory Functions Faulty, Manual Operation of Seat OK

Fault symptoms
Memory functions faulty but manual operation of seat OK

Probable cause of fault
Fault in wiring harness or switch

Diagnostic help
The switch position can be read using the diagnostic tool.

Check the wiring
Jiggle the wiring harness in several places and in various directions to detect intermittent open circuits and short circuits in the wiring harness. Watch the multimeter, diagnostic tool and test lamp during the check.