Dead battery this morning… thankful for jump pack…. Software issue that causes this.

Jrock

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Current Ride
Range Rover 2016
Current Ride #2
Audi S5 Sportback 2019
I have about 12k miles of issue free driving on my 2025, which I received in May of 2025. I have tickle charged my battery multiple times after reading all of the issues. I have all of the proximity settings turned off etc. and this morning battery was dead. Since I do take my truck into remote places and knowing of this issue with these, I had purchased a jump pack. Hooked up the jump pack, pressed the boost button, waited for literally 2 minutes and the truck came to life and it cranked right over. After cranking pack still had a 92% charge left. Definitely recommend keeping something like this in the truck, fits perfect in the storage containers on the rear floorboard.

In doing some research it looks like two known issues for this…

TSB 08-140-26 Rev. A (April 2026): Addresses excessive battery drain involving the Radio Frequency Hub Module and proximity detection. A software update is available for applicable vehicles equipped with proximity approach/departure lamps.


TSB 18-060-26 (June 2026): Documents a PCM-related issue where the front axle disconnect can repeatedly activate while the truck is off, eventually depleting the battery. The bulletin described a software fix under development; the dealer should check its current status.
 

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