parking sensors Open or Short to Ground after resetting

[djpibody]

So the problem was two rear sensors weren't working,(checked for pulsing) so i decided to do a scan and after first scan i've got this:

4 Faults Found:
01547 - Sensor for Parking Aid; Rear Mid-Right (G205)
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 3
Fault Frequency: 18
Reset counter: 95
Mileage: 0 km
Time Indication: 0
Date: 2000.01.01
Time: 00:00:00

01549 - Supply Voltage for Parking-Aid Sensor
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 3
Fault Frequency: 30
Reset counter: 159
Mileage: 0 km
Time Indication: 0
Date: 2000.01.01
Time: 00:00:00

01548 - Sensor for Parking Aid; Rear Right (G206)
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 3
Fault Frequency: 39
Reset counter: 93
Mileage: 0 km
Time Indication: 0
Date: 2000.01.01
Time: 00:00:00

01549 - Supply Voltage for Parking-Aid Sensor
002 - Lower Limit Exceeded
Freeze Frame:
Fault Status: 01100010
Fault Priority: 3
Fault Frequency: 27
Reset counter: 159
Mileage: 0 km
Time Indication: 0
Date: 2000.01.01
Time: 00:00:00

then i reset faults and after that i've got this:

2 Faults Found:
01549 - Supply Voltage for Parking-Aid Sensor
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 3
Fault Frequency: 1
Reset counter: 190
Mileage: 0 km
Time Indication: 0
Date: 2000.01.01
Time: 00:00:00

01549 - Supply Voltage for Parking-Aid Sensor
002 - Lower Limit Exceeded
Freeze Frame:
Fault Status: 01100010
Fault Priority: 3
Fault Frequency: 1
Reset counter: 190
Mileage: 0 km
Time Indication: 0
Date: 2000.01.01
Time: 00:00:00

when ignition on and in reverse i tried to hear does any of them working and non of them were working anymore. what's happened? and how to fix it?

[Guest 2]

Check all your fuses - 01549 - Ross-Tech Wiki

[djpibody]

All the fuses are good. Just checked them once again,100 % no blown ones

[djpibody]

any more suggestions?

[p&p autos]

it is weird twpo sensor didnt worked and other two did. But you got that problem whioch you had on the beggining. I would check wiring and connectors under the rear bumper as well .