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.
Comfort System Central Control Module, Near Field Communication Control Module
G605
Left Front Exterior Door Handle Touch Sensor
G606
Right Front Exterior Door Handle Touch Sensor
J393
Comfort System Central Control Module
J1146
Mobile Device Charger 1
J1169
Near Field Communication Control Module
L283
Driver Side Exterior Door Handle Illumination Lamp
R350
Near Field Communication Antenna
T2nb
2-Pin Connector, Dark Brown
T2nc
2-Pin Connector, Black
T2tz
2-Pin Connector
T20e
20-Pin Connector, Black
T28a
28-Pin Connector, Black
T28ax
28-Pin Connector, Black
TTVL
Left Front Door Coupling Point
205
Ground Connection (in Driver Door Wiring Harness)
303
Ground Connection 3 (in Driver Door Wiring Harness)
B851
Connection (CAN Bus, Comfort System Central Control Module, High)
B852
Connection (CAN Bus, Comfort System Central Control Module, Low)
*
For Vehicles with Telephone Charging Station
*2
From July 2019
*3
For LHD Vehicles
*4
For RHD Vehicles
*5
For Vehicles with Auxiliary Lamps
*6
Different Wire Color Possible
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.