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.
Access/Start Authorization Button, Comfort System Central Control Module, Vehicle Electrical System Control Module, Electronic Steering Column Lock Control Module
E408
Access/Start Authorization Button
J393
Comfort System Central Control Module
J519
Vehicle Electrical System Control Module
J764
Electronic Steering Column Lock Control Module
T4x
4-Pin Connector, Black
T6v
6-Pin Connector, Black
T17f
17-Pin Connector, Red
T17fx
17-Pin Connector, Red
T32d
32-Pin Connector, Blue
T73a
73-Pin Connector, Black
TALU
Coupling Point on Left A-Pillar, Bottom
135
Ground Connection 2 (in Instrument Panel Wiring Harness)
379
Ground Connection 14 (in Main Wiring Harness)
687
Ground Connection 1 on Center Tunnel
758
Ground Connection 3 on Center Tunnel
*
Country-Specific
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.