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.
73-Pin Connector -T73C
2019 Volkswagen Tiguan S, AWDSECTION 73-Pin Connector -T73C
73-Pin Connector -T73C-
| Cavity | Function |
|---|---|
| 1 | Power (30) |
| 2 | ... |
| 3 | Control Output BCM |
| 4 | Power (30) |
| 5 | Signal (+) Left low beam |
| 6 | Control Output BCM |
| 7 | ... |
| 8 | Signal (+) RR tail lamp/stop lamp |
| 9 | Control Output BCM |
| 10 | Power (58) |
| 11 | Signal (+) RR lamp |
| 12 | Power (30) |
| 13 | ... |
| 14 | Signal (+) Wake up |
| 15 | Power (56) Headlamps |
| 16 | Control Input Light switch (Auto) |
| 17 | ... |
| 18 | ... |
| 19 | Power (58d) |
| 20 | ... |
| 21 | ... |
| 22 | Power (58) |
| 23 | Control Output BCM |
| 24 | Power (30) |
| 25 | ... |
| 26 | ... |
| 27 | ... |
| 28 | LIN Bus |
| 29 | LIN Bus |
| 30 | ... |
| 31 | Signal (+) RR turn signal |
| 32 | Signal (+) LED |
| 33 | ... |
| 34 | ... |
| 35 | ... |
| 36 | ... |
| 37 | ... |
| 38 | ... |
| 39 | ... |
| 40 | Signal (+) Passenger seat heater |
| 41 | ... |
| 42 | Signal (+) Warning light button |
| 43 | Signal (+) Drivers seat heater |
| 44 | ... |
| 45 | ... |
| 46 | ... |
| 47 | ... |
| 48 | Signal (+) Hazard warning lamp LED |
| 49 | ... |
| 50 | ... |
| 51 | ... |
| 52 | ... |
| 53 | ... |
| 54 | LIN Bus |
| 55 | ... |
| 56 | Ground (31) |
| 57 | Ground (31) |
| 58 | Signal (+) Brake lamp |
| 59 | ... |
| 60 | Signal (+) Start/stop LED |
| 61 | ... |
| 62 | Power (58d) |
| 63 | Ground (31) |
| 64 | ... |
| 65 | ... |
| 66 | ... |
| 67 | Signal (+) Door contact |
| 68 | ... |
| 69 | ... |
| 70 | ... |
| 71 | ... |
| 72 | Signal (+) floor lights |
| 73 | Power (30) |
RENDER: 1.0x
NO RELATED
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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.