NHTSA ID Number: 10144688
Manufacturer Communication Number: SSP-990593
TSB/Document Date: 2018-09-17
Summary
eSelf-Study Program 990593 - 2019 Audi
A7
Control Module for
Emergency Call
Module and
Communication
Unit
J949
669_054
Cellular Telephone
Amplifier
R86
Parking Heater Radio
Receiver
R64
(Not used in North
America)
Windshield Defogger
Control Module
J505
(Not used in North
America)
45
Electrical system
The A7 is equipped with both a 48 volt electrical system
and a 12 Volt electrical system. The 48 volt electrical
system is the main electrical system. The current is generated via the 48 volt belt starter-alternator when the engine
is running.
Wiring junctions TV2 and TV3 with jump-start terminal
The installation location and function of the batteries,
voltage converter, 12 volt starter motor, and the 48 volt
starter/alternator are identical to those of the 2019 A8.
48 Volt positive wire
Relay and Fuse Panel 3 SR3
on lower section of right A-pillar
48 Volt belt starter-alternator
12 Volt starter
Fuse Panel F SF
on instrument
panel (left-side)
Relay and Fuse Panel 1 SR1
in plenum chamber
46
Relay and Fuse Panel 2 SR2
at foot rest (left-side)
Please refer to eSelf-Study Program 970293, The 2019
Audi A8 Electrics and Electronics for more detailed information about the descriptions and operation of the components listed on this page.
Voltage converter, 48/12 Volt, A7
Battery, 12V, A
in rear right side panel
Battery, 48V, A6
in spare wheel well
Relay and Fuse Panel 4 SR4
on control module rack in luggage
compartment
669_181
47
Networking
Installation location of control modules
Always refer to the current service literature for information about the installation location and service procedures
for control modules as well as instructions for installation
and removal.
J387
J1089
A27
R7
J521
J1122
J794
J792
J500
R242
J234
J245 J77
J428
J764
J898
J285
J136
J527
J853
A31
J104
J623
J1088
J869
J519
J386
Key:
A6
A7
A27
A31
Battery, 48 V
Voltage Converter (48 V/12V)
Right LED Headlamp Power Output Module 1
Left LED Headlamp Power Output Module 1
J104
J136
J187
J223
J234
J245
J285
ABS Control Module
Memory Seat/Steering Column Adjustment Control Module
Differential Lock Control Module
Rear Spoiler Control Module
Airbag Control Module
Sunroof Control Module
Instrument Cluster Control Module
48
J386
J387
J393
J428
J500
J502
J519
J521
J525
J527
J533
J605
J623
J764
Driver Door Control Module
Front Passenger Door Control Module
Comfort System Central Control Module
Control Module for Adaptive Cruise Control
Power Steering Control Module
Tire Pressure Monitoring Control Module
Vehicle Electrical System Control Module
Front Passenger Memory Seat Control Module
Digital Sound System Control Module
Steering Column Electronics Control Module
Data Bus on Board Diagnostic Interface
Rear Lid Control Module
Engine Control Module
Electronic Steering Column Lock Control Module
J112
J927
A7
J769
1
J187
J1019
A6
J393
75
J533
J772
J223
R86
J949
6
21
J502
J605
J525
J770
J926
669_182
J769
J770
J772
J775
J792
J794
J853
J869
J898
J926
J927
J949
Lane Change Assistance Control Module
Lane Change Assistance Control Module 2
Rearview Camera System Control Module
Drivetrain Control Module
Active Steering Control Module
Information Electronics Control Module 1
Night Vision System Control Module
Structure Borne Sound Control Module
Windshield Projection Head Up Display Control Module
Driver Side Rear Door Control Module
Passenger Side Rear Door Control Module
Control Module for Emergency Call Module and
Communication Unit
J1019 Rear Axle Steering Control Module
J1088
J1089
J1121
J1122
Control Module for Left Front Object Detection Radar Sensor
Control Module for Right Front Object Detection Radar Sensor
Driver Assistance Systems Control Module
Laser Distance Regulation Control Module
R7
R86
R242
DVD Player
Cellular Telephone Amplifier
Driver Assistance Systems Front Camera
49
Topology
J386
J926
J927
N209
J387
J605
J136
J764
J453
J245
U13
A6
J367
A7
N475
J521
N210
Data Link
Connector
C
N477
H12
Comfort
System
Central
Control
Module
J393
J223
G65
G578
Control
motors 1 - 2
J938
Heater
controls 1 - 4
Vehicle
Electrical
System
Control
Module
J519
A27
E265
MX3
Control
motors
1 - 15
Ambient
light 1 - 15
J866
MX13
Ambient
light 16 - 30
V388
V390
MX13
Ambient
light 31 - 45
V389
V391
J1169
J126
E1
J1170
V438
V113
G397
G355
J897
J400
J1101
J1100
MX4
Key:
50
A31
Convenience CAN
Diagnostics CAN
Hybrid CAN
FlexRay
Extended CAN
Modular infotainment matrix CAN (MIB)
Infotainment CAN
LIN bus
Sub-bus systems/private CAN
USB wires
MOST bus
Ethernet connection
LVDS
Convenience CAN 2
Dash panel insert CAN
Connect CAN
R7
U41
R293
E67
J1060
J1146
J685
J949
J525
Information
Electronics
Control Module 1
J794
J898
J285
J587
J1121
Data Bus on Board Diagnostic Interface
J533
Driver Assistance Systems Control Module
J1121
J1088
R242
J1089
J853
J769
R212
J770
J772
R243
J794
Ultrasonic
sensors
1 - 12
EX22
R244
EX23
R245
J428
J1122
J502
J530
R246
J492
J104
J869
J844
Y7
J706
J234
J1019
J528
J854
J855
J792
J187
J500
J623
J775
J1135
J217
V475
G784
J1183
C29
J527
669_121
The FlexRay topology does not mirror the actual configuration of the control modules. The order of the control modules in
the MOST ring in this illustration is also not identical to the actual sequence.
51
Key:
A6
A7
A27
A31
Battery, 48 V
Voltage converter (48 V/12V)
Right LED Headlamp Power Output Module 1
Left LED Headlamp Power Output Module 1
C
C29
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TSB/Document ID: SSP-990593
Replacement Service Bulletin Number:
MFR Communication Date: 2018-06-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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