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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Power Outlets) >> Diagnostic Information and Procedures >> Mobile Device Wireless Charger Malfunction >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

The T22 Wireless Accessory Charging Module is controlled by an ignition operated relay and is operational when the ignition is in the Accessory or ON position. When a wireless charging device is placed on the charging pad/pocket the charging of the device battery will start (pictures of proper placement instructions can be found in owners manual). The K9 Body Control Module detects the device battery is charging and sends a serial data message to the P17 Info Display Module which illuminates the charge indicator.

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