Why are my parking sensors not working?

My parking sensors only show as an error on the dashboard. The camera works but just shows as an error otherwise. Any ideas?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2947414:01crwdne2947414:0:

Hi @rosselliot

What year is the vehicle?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0