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Owner complaints · Service Brakes

2019 GMC Sierra brake problems

123 of the 673 complaints owners filed with NHTSA about the 2019 GMC Sierra name the brakes (NHTSA’s “Service Brakes” heading — the hydraulic brakes, ABS and brake assist). Filed under the same heading: 2 recalls. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.

123 complaints 18% of this model year’s 5 reports a crash typically at 8k miles

What owners filed about the brakes

Source: NHTSA complaint database
123complaints name the brakes

5 of the 123 reports a crash · 0 a fire · 3 injuries. Self-reported, unverified.

Filed per year: 2018: 2 · 2019: 25 · 2020: 47 · 2021: 9 · 2022: 8 · 2023: 13 · 2024: 3 · 2025: 11 · 2026: 5

8kmiles, typically

Half of the 82 owners who gave an odometer reading reported the brake problem between 3,000 and 12,000 miles. A median of reports, not the life of a part.

18%of this model year’s complaints

673 complaints in all about the 2019 GMC Sierra, 5 filed in 2026. The whole picture, every system →

Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Service Brakes” means the same area of the vehicle, not one fault.

Across model years: GMC Sierra brake problems, every year on file →

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In owners’ own words

Source: NHTSA complaint database

Filed with NHTSA by the people who own these cars, about the brakes. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.

The first issue is a bluetooth issue. The phone volume goes silent when I get in my vehicle. If I connect to car play, it works. I have missed important calls due to this issue. This started in july of 2019 and its not fixed yet. GM says it apple. Apple says its GM I do not care just fix it. Second see below images. You know the issue.
Service Brakes at 10,366 miles Feb 19, 2020 NHTSA owner report
After starting my vehicle remotely using on-star, my brakes stopped functioning properly... After remote starting the vehicle using my on-star app, we entered it, depressed the brake and pressed the start button.
Service Brakes at 2,393 miles Feb 5, 2020 NHTSA owner report
After using app to start the vehicle, I sat in the driver seat depressed the brake and pushed the start button. Immediately a warning popped up saying ESC needed service, service trailer brake, speed limited to 62mph. Additional lights illuminated including brake, traction control, ABS, and CEL.
Service Brakes at 2,000 miles Feb 3, 2020 NHTSA owner report
The contact owns a 2019 Gmc Sierra Denali. The contact stated that while driving at an undisclosed speed, the power failed to operate as designed. The brake pedal was depressed however, the stopping distance was extended.
Service Brakes at 4,500 miles Feb 3, 2020 NHTSA owner report
After starting vehicle using the mygmc app, I received the following warnings: 1. Service trailer brake system 2. Steering assist is reduced drive with care 3. Service ESC 4. Brake system failure 62 MPH top speed 5. Check engine light. Vehicle was stationary and I did not drive afterwards.
Service Brakes at 9,793 miles Jan 24, 2020 NHTSA owner report

What is on file about the brakes

Source: NHTSA recalls, investigations and manufacturer communications

Recalls filed under this heading

Trouble codes named on this system

C1114 P0606 C056D C056E C05B0

Codes a bulletin or an owner’s complaint about the 2019 GMC Sierra names on this model year; a code with a record of its own links it.

Other systems with a record on the 2019 GMC Sierra

Source: the same files
From here

Common questions

Source: NHTSA complaint database, recalls and manufacturer communications

Are brake problems common on the 2019 GMC Sierra?

They are documented: NHTSA holds 123 owner complaints naming the brakes on this model year (18% of everything owners filed about it), and 2 recalls are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.

Is there a recall for the brakes on the 2019 GMC Sierra?

Yes — 2 campaigns are filed under this heading: 20V055000, 19V889000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.

When do brake problems show up on the 2019 GMC Sierra?

Owners who gave an odometer reading reported it at a median of 7,500 miles; half of them between 3,000 and 12,000. That is when reports cluster, not the life of a part.

What does NHTSA's "Service Brakes" heading cover?

The hydraulic brakes, ABS and brake assist. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.