Autel IM508 Program 2018 Dodge RAM 3500 Key Fob via 12+8 Bypass Cable

Chrysler vehicles 2018- now require the 12+8 cable to clear DTCs and to add keys.  Here we successfully added a new key fob with Autel IM508 XP400 and autel 12+8 cable for Dodge RAM 3500 year 2018 with secure gateway module (SGM). Program key in auto mode.
4 buttons remote key fob
Dodge Ram 1500 2018 Key Fob

2018 Dodge RAM3500 SGM location:

Need to remove the stereo in order to get to the secure gateway module.  Remove everything and you will see.
Autel Im608 2018 Dodge Ram 3500 Key Fob 1 Autel Im608 2018 Dodge Ram 3500 Key Fob 2
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

Autel Im608 2018 Dodge Ram 3500 Key Fob 5
Read security password
Select Keyless System (CAN) – Key Learning – Key Learning

Autel Im608 2018 Dodge Ram 3500 Key Fob 6
Turn the ignition off and turn on the emergency flashers

Autel Im608 2018 Dodge Ram 3500 Key Fob 7
Put smart be to be learned in vehicle and take other keys out of the vehicle
Auto fill-in 4-digit pin to access

Autel Im608 2018 Dodge Ram 3500 Key Fob 9
Press LOCK or UNLOCK button on the remote control

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Key learning successful
Put everything back
And test remote control and new key.

Done.

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Read more:

Chrysler 12+8 Bypass Cable, Star Connector or AutoAuth?

Lonsdor K518ISE Chrysler Dodge 2018 to 2021 Smart Key Programming Manual

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