Lodesman wrote: ↑Fri Mar 21, 2025 5:07 pm
On a wider point, modern cars are so reliable now. They are only let down by poor infotainment technology. This is after three cars (VW and Volvo) where software proved to be their Achilles Heel.

Not sure I agree with that ...

Read today that 3.4.4 has been cancelled as an OTA update. Still being done by dealers.

Yes, I will ask about it when I go for my next service.

Thanks JFDIT, that is a lot of useful information.

Just leaves me wondering how the rest of us mild hybrid drivers get the software update?

Has there really been that many instances of XC40's not starting because of just a flat battery? I think the problem with Volvos (and other cars) is they never really stop taking power from the 12V battery. If I walk round my car after it has been parked for days, and has went to sleep and shows as...

This link shows how to jump start the mild hybrid.

https://www.volvocars.com/uk/support/ca ... art&page=0

I agree with what Paul F said above.

Was the 12.1V measured across the battery terminals? I found that the voltage on the OBD port and the battery can be different, presumably to the cigarette lighter socket as well. When the car is unlocked it draws a fair bit of current which causes some volt drop across the battery etc. To get an ac...

I wonder if you only get software updates for some things if there is an issue?

Up till now I thought the OTA updates kept most things up to date, and the dealer would update anything else at the annual service.

Either way, hope that is your car fixed now and no further issues.

Car being delivered back tomorrow. They reckon it's a known code error, affecting the 48v system, that can cause the 12v battery to drain overnight. It's had the full dealer software upgrade and all associated physical components are working correctly, allegedly... The service manager reckons if th...

Notice this is happening again ...