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
E408
Access/Start Authorization Button
J393
Comfort System Central Control Module
J519
Vehicle Electrical System Control Module
T6df
6-Pin Connector, Black
T17e
17-Pin Connector, Black
T17ex
17-Pin Connector, Black
T17p
17-Pin Connector, Black
T17px
17-Pin Connector, Black
T32h
32-Pin Connector, Blue
T54a
54-Pin Connector, Black
TARU
Coupling Point on Right A-Pillar, Bottom
TCPM
Coupling Point on Instrument Panel, Center
213
Ground Connection (in Instrument Panel Wiring Harness)
687
Ground Connection 1 on Center Tunnel
1321
Ground Connection 2 (in Center Console Wiring Harness)
A175
Connection 58s (in Instrument Panel Wiring Harness)
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.