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.
Circuit/System Description
2018 Chevrolet Traverse LS, 4WDSECTION Circuit/System Description
For an overview of the component/system, refer to: Rear Hatch/Gate Description and Operation
| Circuit | Description |
|---|---|
| B+ - Relay Switch | Supplied from a fuse. |
| Signal | The control module input circuit has an internal resistance connected to 12 V. |
| Control - Component | The output circuit is switched to 12 V to activate the component. |
| Control - Relay Coil | The output circuit is switched to 12 V to activate the component. |
| Control - Relay Coil | The output circuit is switched to ground to activate the component. |
| Ground - Component | Chassis Ground |
| Component | Description |
|---|---|
| S46B Liftgate Unlatch Switch | When the switch is activated, the signal circuit to the control module is grounded. |
| M30 Liftgate Latch | The DC motor unlatches the liftgate. Once the liftgate is unlatched, a switch in the latch will close, grounding the signal circuit to the BCM. |
| X53A Fuse Block - Rear Body | The fuse block houses various fuses and relays. |
| K9 Body Control Module | The module controls various vehicle functions like lighting, central door locking, power windows, etc. |
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.