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I tried to program new key onto Suzuki Swift 2012 car....i used ObdShit X300 DP (ObdStar) device.
I read 20-digit code and calculate 8-digit code with ObdShit.
I use "Key Programming" menu, input the 8-digit code and i get error message: "Wrong PIN"
NOW original key (PCF7961) stop working. (Car not start and remote not working)
I tried several menus - but nothing. Error Message: "Wrong PIN" or "ECU negative respond"
Then i read BCM (93C86) and checked with Tango.
No key stored in file. So, ObdShit deleted all existing key.
I program Original+New key with Tango and check keys in car. Now remote is working but car won't start.
Anyone have experience?
Maybe BCM is in key programming mode?
Anyone have an idea?
Can anyone fix my file?

DTCs in BCM: B1175 and B1176
DTCs in ECU: P1610





Many Thanks

Hi mate. I have the same exact case. How did you solve it ?

Try ignition ON and leave 1 hour. Maybe lock time is active. I not sure, trying only