2019 Yukon Denali - Adaptive Cruise Control

VinoVeritas · Aug 3, 2023

Hello,

I have a 2019 Yukon Denali with Adaptive Cruise Control. The adaptive cruise control is no longer functioning, and an alert pops up stating, “Service adaptive cruise control,” as soon as I start it. I checked all of the front sensors, and nothing appears to be dirty or loose. However, the module located at the rearview mirror seems to be relatively warm compared to other items around it. Can anyone point me in a direction to start troubleshooting the problem? Thank you in advance!

Thrust · Aug 4, 2023

The module is behind the front bumper. Have you looked there to verify everything is clean, no visible wiring issues?

VinoVeritas · Aug 4, 2023

Thrust said:
The module is behind the front bumper. Have you looked there to verify everything is clean, no visible wiring issues?

Where is it located and what is the best way to access it? I haven’t been able to find schematics online for it.

Thrust · Aug 5, 2023

You have to lay down under the vehicle. The module is a black box on a bracket behind the front bumper cover.

ADAPTIVE CRUISE CONTROL RECOVERY HOOKS

2020 Escalade Sonar

www.tahoeyukonforum.com

PG01 · Aug 5, 2023

Good for you, I hate that adaptive cruise … wife loves it, I can’t stand it

MobileHomie · Aug 7, 2023

PG01 said:
Good for you, I hate that adaptive cruise … wife loves it, I can’t stand it

I am with you for the most part. On the freeway it is annoying as hell, stabs the brakes hard if I don't switch lanes several hundred feet behind a slower semi, so I hang out in the left lane. I do like it on two lane highways.
Really wish I could turn off that part. Oh, lets not forget the cruise control buttons were on the turn signal stalk of all GMs for decades, my mussel memory keeps hitting the rear wiper instead of resume. Doh!

Carfan · Oct 29, 2023

Have you tried setting it to the shortest gap? Works great for me. When I start closing in on the vehicle ahead I begin my plan to get in the left lane. Most of the time I only drop a mile or two in speed before I can get over. Much better than sharp braking and then rapid acceleration.

VinoVeritas · Sep 22, 2024

PG01 said:
Good for you, I hate that adaptive cruise … wife loves it, I can’t stand it

The problem is now no cruise control works.

RST Dana · Sep 22, 2024

VinoVeritas said:
The problem is now no cruise control works.

Do you have any warning lights anywhere as a result of electrical issues?

VinoVeritas · Sep 22, 2024

No. You get in and start-up, and within 10-20 seconds, the “service adaptive cruise control” or whatever message pops up. That’s it. There are no other lights, warnings, etc.

2019 Yukon Denali - Adaptive Cruise Control

VinoVeritas

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Thrust

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ADAPTIVE CRUISE CONTROL RECOVERY HOOKS

PG01

MobileHomie

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Carfan

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RST Dana

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