U0140 Ford - all my warning lights come on intermitedly and then goes back to normal

Question

instrument warning lights come on, if I smack steering wheel they go off

Answer 1

U0140 Lost communication with Body control module

This code condition is know as "All warning light on, multiple DTC set" there has bee a TSB from Ford about this condition. TSB 09-20-16. What happens is all the warning light turn on simutaneously. Tapping the cluster face sometimes correctsthe issue. The worste that this issue can cause is a no start condition.

The connection that cause the problem is here. Check for poor connection. If the condition cannot be resolved replace the instrument panel.