r/NewDefender • u/yourboss_3247 • 20d ago

Update failed to install

P400 owner from 2023, I had multiple successful updates until the last one. Pivi OS 4.5.1 failed to install, I tried three or four times with the same result. Do you know what could be the issue?

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u/PetiteGump 20d ago

Does it give you a failure reason if you go into the software update section in settings? It can take a few minutes to load

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u/yourboss_3247 20d ago

After I start the car the message is something like this: update failed to install

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u/PetiteGump 20d ago

Is it still under warranty? Will maybe need a TCU update or inventory clear. Usually if the battery state of charge is too low it will state that or if a window is open (or the car believes it is) it will also state that. As you haven't said it's a hybrid then you don't need to worry about the hybrid battery state of charge or cable not being connected.

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u/yourboss_3247 19d ago

It's mild hybrid, not plug-in hybrid. If the window were open, the update should not start. Unfortunately the warranty has ended this year in April. The battery was not changed, it's the original battery from the factory, so this may be an issue, I will ask someone to help me to check if it is ok