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Discussion Starter · #1 ·
I replied to someone who posted this in a different section.

When you receive Adaptive Cruise Not Available - I found a quick "fix".
It might not work for all, but it worked for me.
2020 - RS Blazer AWD

When I received Adaptive Cruise Not Available, I pushed RES then SET and Adaptive Cruise Not Available went away. I was then able to use Adaptive Cruise again.
Not ideal, but it's worked both times for me.
Camera accessory Auto part Fashion accessory Bicycle part Composite material
 

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My adaptive cruised stopped work on my 2020 RS and the dealer had to order parts, unfortunately on back order and there is no ETA on when they will come in stock.

The parts, number 84836174 Sensor 3.887, 6620180 Long Range Radar Module, 13540603 Sensor 5.890

The note on the service receipt says…

“Long range radar module behind front bumper, forward range radar sensor has no communication with BCM”

Manual cruise still works with a long press to the button. It sucks though I got so used to using adaptive cruise and it’s disappointing that I only have 15k miles on it.

On the plus side they manually forced an update to the radio module and it increased the subwoofer response and adjusted the crossover of the rear speakers, I can actually hear the rear speakers now. Before the update the rear speakers seemed non existent!
 

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Discussion Starter · #3 ·
My adaptive cruised stopped work on my 2020 RS and the dealer had to order parts, unfortunately on back order and there is no ETA on when they will come in stock.

The parts, number 84836174 Sensor 3.887, 6620180 Long Range Radar Module, 13540603 Sensor 5.890

The note on the service receipt says…

“Long range radar module behind front bumper, forward range radar sensor has no communication with BCM”

Manual cruise still works with a long press to the button. It sucks though I got so used to using adaptive cruise and it’s disappointing that I only have 15k miles on it.

On the plus side they manually forced an update to the radio module and it increased the subwoofer response and adjusted the crossover of the rear speakers, I can actually hear the rear speakers now. Before the update the rear speakers seemed non existent!

I will be honest ... I am over new cars and the problems they have.
I traded in a 2019 Wrangler because it was in the shop more than on the road.

I appreciate the info .. I will keep this on my radar.

Thanks!
 

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Discussion Starter · #4 ·
On the plus side they manually forced an update to the radio module and it increased the subwoofer response and adjusted the crossover of the rear speakers, I can actually hear the rear speakers now. Before the update the rear speakers seemed non existent!
Hmm ... I need to find out more info on this. For a BOSE system, it isn't as impressive as I thought it would be. I had a Jeep Wrangler before this and I replaced all speakers in it and the sound quality was 10x better than the Blazer. I didn't go crazy with expensive speakers. The overhead speakers in roll bar were cheap 2-way Kickers. They sounded better than the Blazer and it's BOSE speakers.
 
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