Both issues with the GMC Hummer 2022 and BrightDrop EV600 are related to the battery pack’s waterproof protection system on the vehicles.

Recently, General Motors has discovered technical issues with the GMC Hummer 2022 regarding the electrical connections around the doors. This could be an issue with the power windows, door locks, and exterior mirror controls. Some customers may even experience a malfunctioning control circuit leading to anti-theft system errors or notifications in the infotainment system.

According to General Motors, the issue stems from a corroded wire connector due to water intrusion through the A-pillar via the joint connections on the body. For the affected vehicles, service technicians will perform leak testing and repair or replace the components and apply sealant.

In addition, GM has recently recalled 424 GMC Hummer 2022 and BrightDrop EV600 vehicles due to issues related to the high-voltage battery pack connectors. The automaker explains that the battery pack connectors may have a faulty waterproof layer, allowing water to enter the battery pack. If there is an issue with the battery pack connectors, a warning light will appear on the driver information display.

To address this issue, GM will add AC Delco RTV Engine Sealant to the faulty high-voltage battery pack connectors. However, due to the high-voltage system involved in this issue, service technicians are advised to exercise extreme caution when performing this repair.

Owners of the affected vehicles will be notified directly by GM and instructed to visit their nearest dealership for repairs.

Thai Son (Tuoitrethudo)

Reference: Carscoops

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