Problem:
Tried to add a spare key to a 2021 Jeep Compass with Autel IM508.
This is what I am getting, trying to read password it keeps.
Error: Programming BOOT2
Any solution?
Solution:
Voltage is low.
Connect battery booster or change battery.
Battery is dead on that car, get a battery maintainer as at 9V no modules will talk and you risk damaging the car. For any sort of programing 13.5V is a must.
If you use correct booster, you can set to 13.5V or more.
Feedback:
The car had a problem, electrical problem. The battery was good, but the voltage was showing low. I ended up figuring it out and got the job done. I had noticed the voltage but when I hook up to the battery, it will show 12.5 but on the scanner, it shows 8。

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