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
2019 Chevrolet Trax Premier, AWDSECTION Circuit/System Description
WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
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. |
| Ground - Component | Chassis Ground |
| Ground - Relay Coil | 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. |
| 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.