Here comes the problem:
I tried to do program the key on 2020 Sentra and IM608 killed that car. I was trying to add a key but something seems to have gone wrong. I plug the connector to the gateway module and to my Autel MaxiIM IM608 (in picture) then went to manual selection, then add a key. For some reason it is now locked up and the existing key will not work. Any guidance would be appreciated.
Pulled these codes
Here is the solution with the help of Autel tech support.
He was able to restore the bcm and ecm by going to HFM restoration then pulled the pin code and added the key WITHOUT buying an ecu or bcm.
Selected by System where it ask you for the vin and manufacturing date.
Then selected the option that says hmf restoration and it brought the car back to life and gave you the code.
Here’s the pics to prove it.
Another positive feedback:
2020 Nissan Sentra push to start, trying to add a key -used gateway adapter cable pull vin no problem, pin failed to read now ignition will not turn off.
Update ! SUCCESS! waited until battery fully died all connected, after using external power car is now off and not on, now the hfm reset will work, just bringing the car back to life and giving me the 28 pin, went and did a all keys lost. car now has 2 keys.
If not working and your car is under the warranty. Called the Dealer and the car doesn’t start at all. The Towing company will take the car to the dealer, they will replace the Smart Key module because it is dead.
Dealer is not the only option. You can get bcm or ecm replaced and have it reprogrammed by Nissan consult 3+.
Anyway, stay away from Sentra. It is dangerous to deal with these Nissan. You may have bricked the BCM.
Check Nissan Black BCM List
OBDSTAR will add key Sentra 2020 using Nissan 16+32 gateway adapter to bypass pin.