Overview - Mobile Online Services, From Product Improvement

WARNING: This page is about a different car, the 2024 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

The mobile online services are based on the eCall and bCall and the Control Module for Emergency Call Module and Communication Unit -J949-.

The Control Module for Emergency Call Module and Communication Unit -J949- is safeguarded against a crash by being installed in the luggage compartment. The Control Module for Emergency Call Module and Communication Unit -J949- contains an emergency call module and a compass module. A separate SIM card is installed for the emergency call function.

Courtesy of AUDI OF AMERICA, LLC

Roadside Assistance Button -E275- in the Front Roof Module -WX3-
Right Front Microphone -R141- in the Front Roof Module -WX3-
Left Front Microphone -R140- in the Front Roof Module -WX3-
Emergency Call Button -E276- in the Front Roof Module -WX3-
Emergency Call Module Speaker -R335- on the driver side lower cover
Control Module for Emergency Call Module and Communication Unit -J949- at the front left side of the luggage compartment
GPS Antenna -R50- and Emergency Call Module Antenna 2 -R322- in the Roof Antenna -R216-
Emergency Call Module Antenna -R263- under the rear bumper cover on the left side
Emergency Call Module Antenna 3 -R323- in the center of the instrument panel

Troubleshooting

The mobile online services system is capable of OBD.

Fault Finding is performed using the "Guided Fault Finding" on the Vehicle Diagnostic Tester.

When there are concerns about the function, it necessary to be familiar with the Mobile Online Services functions.

For additional information. Refer to the Owner's Manual and the appropriate Wiring Diagram.