2018 Fiat 500's Nav System and Audio Failure Possibly Linked to Interior Light Issue

Hey there! I had a similar issue with my 2018 Fiat 500 not too long ago, so totally understand your dilemma. The root of my problem turned out to be a faulty Body Control Module (BCM) that was causing problems for multiple systems, including the interior light and even the audio as you mentioned. I decided to take it to my trusted mechanic who ran a diagnostic test. Apparently, the BCM had been playing up. It was definitely a worrisome issue, and not a small one, as it controls many electrical components in the car. It's not for me to say for sure, but there might be a similar issue with your Palio. Definitely worth having someone take a look at it I reckon. Good luck! Let us know how it goes.

Hey, thanks a ton for sharing this, sounds like it might be right on the money for my 500's woes too. Your BCM issue struck a nerve as I know my interior light and audio/nav systems have been on the fritz. Such a headache! Just out of curiosity, do you happen to remember how much it set you back to deal with the BCM fault? And have you had any other issues crop up since the fix? Cheers!

Hey, no problem at all, we're all here to help each other out! After my visit to the mechanic, the problem with the interior light got sorted. It cost around 85€ to get that pesky bugger fixed. As for the BCM issue, once it was taken care of, my Punto's been behaving much better. Haven't encountered any other issues since then, knock on wood. If your Palio's showing similar symptoms, it might just be worth having the BCM checked as well. But mind you, dealing with the BCM can be a bit pricier. Best of luck with your Fiat and keep us posted!

Cheers for taking the time to reply! you're an absolute gem. Looks like I'm heading to the mechanic for a good ole' BCM diagnostic then. Hoping it doesn't cost an arm and a leg, but it's reassuring to hear that your Punto has been running smoother after the BCM fix. Fingers crossed, my 500 shows the same resilience post-repair. I'll definitely keep you all posted. Thanks again for easing my worried mind. Onwards to the mechanic I go!