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.
Driver Door Control Module, Heating And Air Conditioning Control Module, Roof System Control Module, Fuse Panel C
J386
Driver Door Control Module
J926
Driver Side Rear Door Control Module
J979
Heating and Air Conditioning Control Module
J1355
Roof System Control Module
SC
Fuse Panel C
SC7
Fuse 7 (On Fuse Panel C)
SC8
Fuse 8 (On Fuse Panel C)
SC9
Fuse 9 (On Fuse Panel C)
SC11
Fuse 11 (On Fuse Panel C)
SC13
Fuse 13 (On Fuse Panel C)
T5k
5-Pin Connector, Black
T20b
20-Pin Connector, Black
T20e
20-Pin Connector, White
T20g
20-Pin Connector, White
T22i
22-Pin Connector, Black
T27a
27-Pin Connector, Black
T27b
27-Pin Connector, Black
T46a
46-Pin Connector, Black
T46b
46-Pin Connector, Black
TTHL
Left Rear Door Coupling Point
TTVL
Left Front Door Coupling Point
B318
Positive Connection 4 (30a) (in Main Wiring Harness)
*
Refer to Applicable A/C System Wiring Diagram
*2
Refer to the Applicable Heated Seats Wiring Diagram
*3
Refer to the Applicable Sunroof Wiring Diagram
*4
For Vehicles with Panorama Sunroof
*5
Refer to Applicable Driver Door Control Module Wiring Diagram
*6
For Vehicles with Trailer Setup
*7
For Vehicles with Seat Heating
*8
For Vehicles with Trailer Socket
*9
For LHD Vehicles
*10
For RHD Vehicles
*11
The Color of the Wires Depends on Vehicle Equipment
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.