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.
Drivetrain Control Module, Level Control System Solenoid, Level Control System Compressor Motor
J393
Comfort System Central Control Module
J519
Vehicle Electrical System Control Module
J527
Steering Column Electronics Control Module
J533
Data Bus on Board Diagnostic Interface
J775
Drivetrain Control Module
N111
Level Control System Solenoid
R242
Driver Assistance Systems Front Camera
T3dl
3-Pin Connector, Black, Purple
T12k
12-Pin Connector, Black
T17a
17-Pin Connector, Brown
T17c
17-Pin Connector, Yellow
T17g
17-Pin Connector, Blue
T17gx
17-Pin Connector, Blue
T32c
32-Pin Connector, Black
T54
54-Pin Connector, Black
T73a
73-Pin Connector, Black
T81
81-Pin Connector, Black
TALU
Coupling Point on Left A-Pillar, Bottom
V66
Level Control System Compressor Motor
B281
Positive Connection 5 (15a) (in Main Wiring Harness)
*
For Vehicles with Adaptive Cruise Control (ACC)
*2
Data Bus Wire (Flexray Bus)
*3
Through July 2019
*4
From August 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.