CANBUS WIRE :
orange/blue -------------------- gateway plug NO.18
orange/brown -------------------- gateway plug NO.8
brown color wire ----- GND
green/black --------- ACC power
PDC SWITCH:
GOLF 7 :
T10/1-------ILL -
T10/2-------ILL +
T10/3-------PDC Module T26/16
T10/6-------PDC Module T26/17
A3 8V :
T20/4 (pdc button plug ) ---- ------ T26/16 (pdc button plug)
T20/14 (pdc button plug ) ---- ------ T26/17(pdc button plug)
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Code ：
19 - installation list --- tick 10 --- park/steer assist
76 ---- new code --- "04 71 05 10 11"
17--- new code --- byte -- 80 change to 90
5F ---- byte 19 ---- change to 1 (open radio OPS support)
Code maybe different ,Please check long code helper
The list of car functions found by matching the address code 5F is as follows
[ VO ] Car _ Function _ List _ BAP _ Gen2
[ LO ] parking _ assist _ 0x0A Change from inactive to active
[ LO ] parking _ assist _ Ox0A_ msg _ The bus is not activated and the terminal 15 is changed
Find the car function matching as follows
VOLCar _ Function _ Adaptations _ Gen2
[ LO ] menu _ display _ Change the pdc inactive to "active"
[ LO ] menu _ display _ pdc _ over _ threshold _ High Inactive to Active
Then find the car function list CAN as follows
[ VO ]_Car_ Function _ List _ CAN _ Gen2
[ LO ]_ PDC - audio _ Lowering "Unavailable" to "Available"
[LO] PDC_ audio _ lowering _ msg _ Bus is changed to "terminal 15“
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Front Bumper
T8/1------T18/2
T8/2------T18/11
T8/3------T18/3
T8/4------T18/12
T8/5------T18/4
T8/6------T18/13
T8/7------T18/10
T8/8------T18/14
Rear Bumper
T8/2----T26/6
T8/3----T26/20
T8/4----T26/7
T8/5----T26/21
T8/1-----T26/8
T8/6 -----T26/19
T8/8----T26/18 acc
T8/7----T26/22 GND
Canbus wire
T26/23 ------ CANBUS T20/8
T26/24 ------ CANBUS T20/18
Front Buzzer
T2/1 ----- PDC Module T26/2
T2/2 ----- PDC Module T26/10
Rear Buzzer
T2/1 ---- PDC Module T26/15
T2/2 ---- PDC Module T26/9