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, Emergency Call Module Speaker
J234
Airbag Control Module
J794
Information Electronics Control Module 1
J949
Control Module for Emergency Call Module and Communication Unit
R335
Emergency Call Module Speaker
T2dm
2-Pin Connector, Black
T10m
10-Pin Connector, Black
T10mx
10-Pin Connector, Black
T12ab
12-Pin Connector, Green
T16v
16-Pin Connector, Brown
T16vx
16-Pin Connector, Brown
T20
20-Pin Connector, Yellow
T20ad
20-Pin Connector, Black
T20aj
20-Pin Connector, Naturally Cloudy
TIM
Coupling Point in Interior, Center
B228
Crash Signal Connection (in Interior Wiring Harness)
*
Refer to Applicable MMI (Information Electronics) Wiring Diagram
*2
Depending on Equipment
*3
Refer to Applicable Airbag Wiring Diagram
*4
Through November 2019
*5
Ethernet Connection
*6
From December 2019
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.