hi all need a little diagnostic help , scanned my car today , A3 2.0 tdi 56 plate

found this fault code :

Address 42: Door Elect, Driver Labels: 8P0-959-801-MAX2.lbl
Part No: 8P0 959 801 G
Component: Tuer-SG 020 0110
Coding: 0000560
Shop #: WSC 06314 000 00000
VCID: 3F86CA8317ED
1 Fault Found:
00943 - Heated Exterior Mirror; Driver Side (Z4)
012 - Electrical Fault in Circuit

have limited electrical skill , checked fuses in end of dash all appear ok what can i check next ?