Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Control Module For Emergency Call Module And Communication Unit, Microphone Unit In Front Roof Module, Roof Antenna, Emergency Call Module Antenna
J949
Control Module for Emergency Call Module and Communication Unit
R50
GPS Antenna
R140
Left Front Microphone
R141
Right Front Microphone
R164
Microphone Unit in Front Roof Module
R216
Roof Antenna
R263
Emergency Call Module Antenna
R322
Emergency Call Module Antenna 2
T2dl
2-Pin Connector, Purple
T2ja
2-Pin Connector, Pink
T2zh
2-Pin Connector, Blue
T2zl
2-Pin Connector, Purple
T4dc
4-Pin Connector, Gray
T4pa
4-Pin Connector, Blue
T8bc
8-Pin Connector, Black
T20j
20-Pin Connector, Naturally Cloudy
265
Interior Shielding Ground Connection (in Navigation Wiring Harness)
280
Ground Connection (in Communication Wiring Harness)
729
Ground Connection on Left Rear Wheel Housing
*
Sedan
*2
Avant
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.