Some 2022 Buick Encore GX owners may notice that their vehicle’s cruise control system is not working as intended. Now, the cause behind this issue has been identified, as has as a solution to be implemented by GM technicians.
According to a recent report from GM TechLink, some 2022 Buick Encore GX customers may notice that the cruise control system will not set or resume after using the brake pedal has been depressed. In these conditions, it may be necessary to pull the brake pedal up to once again engage cruise control. Additionally, the condition may be intermittent, and cruise control may return to normal operation if the vehicle is turned off and restarted.
The GM TechLink report identifies excessive brake pedal free play as the root of the issue. If the brake pedal moves rearwards while accelerating, it may result in an inaccurate Learned Release Position in the Engine Control Module (ECM), with the ECM Brake Pedal Position sensor showing a six-percent pedal travel value or more, thus preventing the 2022 Buick Encore GX cruise control system from engaging.
To fix this issue, GM TechLink is recommending that a technician first verify that the Brake Pedal Position Sensor Learned Released Position is showing an inaccurate reading. To do so, technicians will conduct a test drive with the cruise control engaged, looking at the onboard GDS 2 data.
While the vehicle is accelerating during the test drive, the Brake Pedal Position Sensor may drop to a lower value than the normal release position. This could cause a drop in the Brake Pedal Position Sensor Learned Released Position as well, with the ECM showing a percentage of travel greater than zero when traveling at a steady speed with the pedal released, thus preventing the cruise control from engaging.
If these conditions are found during a test drive, it’s recommended that a GM technician replace the brake and accelerator pedal assembly in order to fix the issue.
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Comments
On the 2022 Buick Encore GX cruise control failure is an example of poor design and testing. This type of problem should never occur especially when cruise control in GM vehicle is not a new feature. To me, this is an example of GM Quality control going down. When I see failures like this causes me to rethink purchasing a new GM vehicle because I do not want any manufacturing surprises and who says that the tech in the dealership can do the repair correctly. I also have to spend time in the dealership waiting the design failure to be fixed.
My 2021 Trailblazer has the same malfunction. It occurs intermittently, just as described on the GX (which is, after all, a Trailblazer in formal wear.) I’m glad to know there is a fix. Other than that, I am amazed how much power can be extracted from three cylinders, and with average gas mileage approaching 35 mpg.
If you’re averaging 35mpg in that vehicle, then there is nothing to be surprised about.
You’re obviously driving it incredibly slowly to get better mileage.
Actually, I’m a bit of a lead-foot.
Had the same problem with my 07 Escalade. Some things never change
We have the same problem with our 2022 Trailblazer. We took it in 6 months ago and the GM Techs couldn’t find anything, but now I know what it is.
We own a 2019 Buick Enclave and 2010 Chevy Equinox LTZ V6… We have never had this problem on our vehicles in fact I have never had this problem on any of my GM vehicles… This could also be user error put an older person or someone not tech savvy in a modern vehicle and they are literally lost as to what all the controls do or how to use them.
Is this fix covered under warranty or this an out-of-my-pocket fix?
Warranty