ACC/Lane Assist/Emergency Braking Not Working

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Chris42069

Junior Member
Joined
Aug 26, 2024
Posts
4
Reaction score
1
Location
Georgia, USA
Ram Year
2021
Engine
Hemi Etorqe
A few weeks ago I got a clean sensor message. I washed the truck and the message went away. A few days later I get service ACC/Lane Assist and Emergency Braking. I was hoping that the last recall would fix this issue but it did not. I have an appointment at the dealer next week but wasn't sure if there was something I could do in the meantime. I have tried to let the truck sit for 1 hr without the battery attached and that did not work. Any help is appreciated.


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Dean2

Senior Member
Joined
Jun 17, 2021
Posts
4,444
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Location
Near Edmonton
Ram Year
2021 2500
Engine
6.4
Disconnect battery for a couple of hours and reconnect. You can also disconnect both cables and touch them together to ensure full discharge. Also, open fuse box and press down GENTLY, on every fuse and relay to make sure they are fully seated. Both have been known to fix gremlins. Easy to do while waiting to get in to see dealer.
 

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