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.
Digital Sound System Control Module, Control Module For Emergency Call Module And Communication Unit, Left Effects Speaker, Right Effects Speaker, Subwoofer
J525
Digital Sound System Control Module
J949
Control Module for Emergency Call Module and Communication Unit
R209
Left Effects Speaker
R210
Right Effects Speaker
R211
Subwoofer
R298
Dual Subwoofer Speaker 1
R299
Dual Subwoofer Speaker 2
T2gc
2-Pin Connector, Black
T2jv
2-Pin Connector, Black
T4lr
4-Pin Connector, Black
T20c
20-Pin Connector, Naturally Cloudy
T38a
38-Pin Connector, Black
*
Refer to Applicable Emergency Call Module Wiring Diagram
*2
For Vehicles with 48 V System
*3
For Vehicles with Emergency Call Module
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.