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-   -   2021 m850 gran coupe cel after firmware update (https://www.jb4tech.com/forums/showthread.php?t=64768)

Dim718 03-19-2021 10:02 PM

2021 m850 gran coupe cel after firmware update
 
Good evening guys I purchased a brand new jb4 from burger after install turned the car on everything was fine I also purchased the Bluetooth connecter, buddy of mine who was with me at install said why donít you update firmware to make sure you have the latest one, as soon as it finished the update the check engine light went on car drives fine no limp and psi gauge on the phone works as promised for map 1 and 2 didnt run other maps. My other issue is on the phone app only the map gauge and psi gauge are working all other gauges arenít showing anything what can I do to fix the cel thank you in advance.

Steve @ BMS/Fuel-It! 03-22-2021 11:47 AM

You'd need to read the code for the cell you're getting.

For the app issue, make sure your OBDII cable is installed and connected correctly.


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