Go to Dodge 3500 key programming menu, IM508 asks to hook up a Chrysler FCA 12+8 adapter
We’ve got that connected right there behind the stereo
Turn the ignition off and turn on the emergency flashers
Read security password
Select Keyless System (CAN) – Key Learning – Key Learning
Turn the ignition off and turn on the emergency flashers
Put smart be to be learned in vehicle and take other keys out of the vehicle
Auto fill-in 4-digit pin to access
Press LOCK or UNLOCK button on the remote control
Key learning successful
Put everything back
And test remote control and new key.
Done.
Autel IM508 Program 2018 Dodge RAM 3500 Key Fob via 12+8 Bypass Cable