Circuit/System Description
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: Liftgate Ajar Indicator Description and Operation
| Circuit | Description |
|---|---|
| Signal | The control module input circuit has an internal resistance connected to 12 V. |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| A23C Liftgate Latch Assembly | The DC motor unlatches the liftgate. Once the liftgate is unlatched, a switch in the latch will close, grounding the signal circuit to the control module K39. |
| K39 Liftgate Control Module | The control module K39 controls the liftgate motor function depending on inputs from a variety of sensors, switches and serial data information from other control modules. |
| K9 Body Control Module | The module controls various vehicle functions like lighting, central door locking, power windows, etc. |