List of uses. control unit.

ETKA / Audi / A4L / (2009 - 2017) / 9 / 900-000
Name Ext. inf. A* Use of Part number A
list of uses
control unit
1 diagnosis interface for
data bus (gateway)
see illustration:
(2) interface box
see illustration:
(2) connection for external
audio sources
see illustration:
3 control unit for headlight
range control
see illustration:
4 door control unit
see illustration:
5 cd changers
see illustration:
(5) interface box
see illustration:
PR-8YQ,8DP
PR-8YQ,8DP
(5) interface box
see illustration:
PR-8DZ,8UW
PR-8DZ,8UW
(5) display unit
for multimedia interface 'mmi'
see illustration:
(5) display and control panel with
cu for electronically
controlled air-conditioning
see illustration:
7 interface box
for cellphone
see illustration:
PR-8DP,8YQ
PR-8DP,8YQ
(7) interface box
for cellphone
see illustration:
PR-8UD,8UL,
8UM
PR-8UD,8UL,
8UM
(7) interface box

see illustration:
8 control unit for seat and
backrest adjustment
see illustration:
9 control unit for airbag
see illustration:
10 door control unit
see illustration:
11 control unit for fuel
pump
see illustration:
fr.wheel drv
fr.wheel drv
(11) control unit for fuel
pump
see illustration:
quattro
quattro
13 power mod. f. onboard pow. sup
see illustration:
14 control unit for parking aid
see illustration:
(14) control unit for electro-
mechanical parking brake
see illustration:
17 amplifiers
for cellphone
see illustration:
(17) control unit for special veh.
see illustration:
(17) control and receiver unit for
radio-controlled aux. heater
see illustration:
17A control unit for
lane change assist
see illustration:
19 receiver for radio-wave clock
see illustration:
19A control unit for
lane change assist
see illustration:
20 navigation unit
see illustration:
(20) control unit with software
for digital radio reception
see illustration:
21 tv tuner
see illustration:
(21) tv tuner
see illustration:
22 control and receiver unit for
car radio
see illustration:
(22) voice module
see illustration:
23 amplifier for sound system
see illustration:
(23) amplifier for sound system
for multimedia interface 'mmi'
see illustration:
25 door control unit
see illustration:
26 control unit for active
steering
see illustration:
27 control unit for seat and
backrest adjustment
see illustration:
28 operating unit for multi-
media system -mmi-
see illustration:
29 door control unit
see illustration:
30 combi-instrument
see illustration:
(30) control unit for electronic
steering column lock
see illustration:
31 power mod. f. onboard pow. sup
see illustration:
32 engine control unit
see illustration:
petr. engine
petr. engine
(32) engine control unit
see illustration:
diesel eng.
diesel eng.
(32) control unit for glow plug
see illustration:
33 abs unit with control unit
see illustration:
34 control unit for automatic
transmission - infin. variable
see illustration:
35 control unit for
opening garage door
see illustration:
36 control unit for radiator
fan
see illustration:
37 radar sensor
see illustration:
39 control unit
auxiliary heater
see illustration:
* In the column 'A' indicates the number that is used in the selected vehicle.
To find out where to buy the item or equivalent, click on the part number.