How to: Add Adaptive Cruise Control, Lane assist, FCW & Auto Hi-beam to Ram 1500

[hammersfd]

I'm not sure what you mean? You don't need to get to the passive entry antenna. That has nothing to do with ACC or semi-auto park. Sorry, I'm confused.

There's a plug from the rear harness, that goes into a module behind the rear license plate that is not accessible.

 

[hammersfd]

Here's a pic from behind....

 

[vincentw56]

There's a plug from the rear harness, that goes into a module behind the rear license plate that is not accessible.

Oh, you mean to get to the harness for the sensors? Well, my truck didn't come with passive entry, I added it later. I'm not sure on how to get to it.

 

[KIBarrister]

Saw a post elsewhere (another forum) and trying to understand without going through 62 pages. 2021 Laramie, came from the factory with FCW. Other forum indicated that is the same camera needed for ACC. If you have the camera are other parts needed to enable ACC apart from the wheel mounted button (and subsequent enabling in firmware)? It seems the instructions were written for a model that didn't have any of the tech options; trying to determine if the other parts like the ABS module, center stack, etc. would be needed still or those work with a truck that has [lesser] tech packages.

Thanks!

 

[deeve]

This thread is actually set up pretty well to help from having to sort through all 63 pages. On page 1 of this thread there is a PDF that walks you through the process. Post 2 should be the situation you have and explains what is needed for parts.

 

[KIBarrister]

This thread is actually set up pretty well to help from having to sort through all 63 pages. On page 1 of this thread there is a PDF that walks you through the process. Post 2 should be the situation you have and explains what is needed for parts.

Awesome - thanks!

 

[DiverJay82]

I have a 2021 Rebel with FCW and AEB. I have begun the process of adding ACC and would like to check before I get too far down the rabbit hole. I've already added the steering wheel control buttons and bought alfaobd. Currently, I am waiting on the security bypass cable to arrive. Attached is a photo of the HCU in my truck now. Is there any way to tell if this unit is correct, or will I absolutely have to swap it to enable this feature?

 

[vincentw56]

I have a 2021 Rebel with FCW and AEB. I have begun the process of adding ACC and would like to check before I get too far down the rabbit hole. I've already added the steering wheel control buttons and bought alfaobd. Currently, I am waiting on the security bypass cable to arrive. Attached is a photo of the HCU in my truck now. Is there any way to tell if this unit is correct, or will I absolutely have to swap it to enable this feature?

Only the TRX has the correct HCU/ABS.

 

[MerzkeM]

So I completed the adding the ACC and FCW to my 2020 Ram 1500. Since I had everything hooked up prior to my windshield being replaced the glass installer calibrated the system. Now instead of getting the "Front radar sensor plant mode" message it now says ACC needs to be serviced. My Ram dealership can't get me in till next week. Anyone else had this issue and is there anything I can do to correct it?

 

[vincentw56]

So I completed the adding the ACC and FCW to my 2020 Ram 1500. Since I had everything hooked up prior to my windshield being replaced the glass installer calibrated the system. Now instead of getting the "Front radar sensor plant mode" message it now says ACC needs to be serviced. My Ram dealership can't get me in till next week. Anyone else had this issue and is there anything I can do to correct it?

You need to go to the dealer to have it taken out of plant mode.

 

[DiverJay82]

Only the TRX has the correct HCU/ABS.

The ACC feature is available on other trim levels besides the TRX. There are so many different part numbers available for these two parts. Is there anywhere to find out which exact part numbers are capable of this feature?

 

[vincentw56]

The ACC feature is available on other trim levels besides the TRX. There are so many different part numbers available for these two parts. Is there anywhere to find out which exact part numbers are capable of this feature?

Part numbers are listed in the first post.