Service acton: wpc discharge logic improvement (SA618)

Bulletin number

TSB_ELE388_R1 (SA618)

Component

Electrical system

Summary

TECHNICAL SERVICE BULLETIN: SERVICE ACTON: WPC DISCHARGE LOGIC IMPROVEMENT (SA618) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides instructions for updating the Wireless Power Charging ‘WPC’ system software on certain 2024MY EV9 (MV1) vehicles produced from February 9, 2023, through October 10, 2024. The affected vehicles may experience the 12V battery drained while the vehicle is parked due to the wireless charging unit remaining temporarily active, potentially resulting in low battery voltage and no-start condition.

Owners of these vehicles have filed 56 complaints in the electrical category.