Apr 19, 2025 · Try charging the battery. 12.3 volts is a little low. Do you regularly travel short distances or use the infotainment system whilst the engine isn't running? If possible, use a …

Apr 5, 2020 · I've had both batteries replaced (with the correct models), done a 100 mile trip, overnight smart battery charge, charging voltage is fine, system messages cleared but I am …

Mar 6, 2025 · Battery is easy to do yourself if you're at all handy around a screw driver and a spanner, just remember to reset the battery management system before you start using the …

Jan 26, 2025 · Recently changed the fob battery due to “low key battery” message. Was fine for a couple of days, then re-appeared. It’s a brand new battery, bought from a parts shop (not a …

Jul 2, 2025 · Today, after starting my engine (Volvo V40 D3 2016 Automatic), I received the message: “Battery charging failure” on the dashboard. Despite the warning, the car drove …

Apr 9, 2024 · So I think the time has come to replace the main battery. Its the original Volvo 70ah EFB battery that was on the car from new in 2016.. The car starts fine but I keep getting the …

May 29, 2025 · The main battery is the one to look at. The secondary battery is only connected to the car by a relay for a fraction of a second during an engine restart from a stop/start event, …

Mar 24, 2025 · Hello friends I took my Volvo v40 2018 T3 vehicle to the authorized service because the start-stop does not work regularly. BMS brain, main battery and backup battery …

Aug 1, 2024 · Hello guys, i have a Volvo V40 D3 2016, and i have just changed its battery. I heard that i need to do a battery bms reset, and found the following steps but it did not work for me : …

Jan 10, 2018 · My main battery just died, had it replaced with same, and car kept giving me Battery charging, so no stop start. When stop/start worked, it was for about 10 sec, and car …