Door Handle Touch Sensor (G418) 007 - Short to Ground

[66Cobra]

:confused:
I have an 09 S Line Q7 which has just come out of warranty by 7 days it's,just had its first MOT and also while in had brake fluid change. it only has 3760 on the clock, I have noticed that the drivers side doors do not open without having to pull handles it has the advance key option and the passengerside is fine I have this error (Door Handle Touch Sensor (G418) 007 - Short toGround)

Address 05 AccStart Auth. Labels 4F0-910-852.lbl
Part No SW 4F0 910 852 B HW 4F0 905 852 D
Component FBSAUDIC6 ELV H05 0090
Revision 00H05000 Serial number 10602401125312
Coding 0000151
Shop # WSC 31414 790 00001
VCID 2545F5A79571

Part No 4F0 910 132 G
Component FBSAUDIC6 EZS H03 0020

Part No 4F0 910 335 B
Component FBSAUDIC6 KSG H03 0020

1 Fault Found
00193 - Right Rear Door Handle Touch Sensor (G418)
007 - Short to Ground
Freeze Frame
Fault Status 01110111
Fault Priority 3
Fault Frequency 1
Reset counter 252
Mileage 6058 km
Time Indication 0
Date 2012.03.23
Time 131012

Audi want 110 + Vat for diag which assum they will give me the same fault asabove.

Any advice would be appreciated