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2013 xc90, connecting to bluetooth freezes head unit after misfire from aging coil/spark plug

268 Views 2 Replies 3 Participants Last post by  Monocog007
complicated title, i know.

My wife was driving our xc90 on the highway when it started acting like it wanted to stall out with a full tank. She pulled over and I had it towed immediately to a volvo shop. They said it was misfiring pretty badly due to aging coils so we gritted our teeth, replaced all of them and the plugs then went about our day.

I took the car out a day or two later and noticed i couldnt get my phone to connect correctly. I was able to connect it to a point - it would connect, say "synchronizing motion_addict's iphone" then it would get stuck after that finished, seizing up the entire head unit. The phone will be playing but nothing is happening on the car end and I am unable to hit exit, adjust volume or use any controls, nothing works til i hit airplane mode on my phone and sever the connection. I removed our devices from the menu and re-added them but the issue persists.

I called the dealer they said they didnt touch anything to do with the bluetooth module, basically saying maybe it happened on our end before we brought it end. Is there anything that sticks out to you all, or any other information i could add that may help figure out a solution? I've got 2 kids who can't handle car rides without their steady dose of babyshark so we all thank you in advance
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Spark plugs & coils have nothing to do with the bluetooth of the radio, just making sure you're aware of that.

Best next steps would be to do as @ChitownV mentioned, remove any saved settings/devices on both ends (car and phone), and attempt to repair. The bluetooth in the 2012-2014 XC90s is pretty lackluster and basic - and I've also seen odd issues like yours. Re-pairing has always resolved them, though we don't have iPhones.
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