Mine came on recently. I took it to an independent shop .....they reset the fault code .....it didn't come back on .....done ......false code .....it's been a few weeks and still no problem .....who knows how much dealer would have charged me to "fix" the problem.
I'm about ready to go buy a scan tool so I can diagnose and reset these kinds of issues. I'm wondering what level of tool I need to buy to tell me what cylinder is misfiring. Most cheap scan tools don't get that specific in my experience.
Rd is correct they can give you a lot of info. I've been using "OBD Link" piroity software you need there dongle to use since 2003 and "OBD Fusion" it is the same and for $5 to $10 on the app stores plus the dongle of your choice. You may still need to look up the code on google for more info, with either app, but that is easy. Here's a link to a Diagnostics report using Fusion this was done when I had def tank problems. https://docs.google.com/spreadsheet...7OB5AexD32Wtq6IPxjkw7Lpw5s8/edit#gid=38444032
Well I can't find any code stored for a misfire, active or pending. But I figured out the red wire inside the rubber boot for the drivers set belt broke. That was causing the service air bag and seat belt indicators to stay on. Soldered back together and all is well with the latest issue. Now if I could just get it to run smooth again all would be well in my universe.
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I have a 2019 3500 and the seatbelt and airbag light comes on and stays on EVERY time the van is started or after it is stopped while running and taken out of park or reverse and returns to normal forward driving. Additionally it beeps for about 3 minutes on all those occasions as well. I used my OBDII dongle and OBD fusion app on my iPhone and though it allows you to clear most codes, it won’t do that with this. They stay on and beep every time.
mayeb another OBDII reader will erase it, or
Maybe it won’t.
I’m still under warranty and will likely take it in, but if anyone knows how to erase it before then, it could just be a fluke and won’t return.