Diagsheet

2015 GMC Sierra 1500 · symptom sheet

Brakes failed to stop the car

  • 44owner reports
  • 59,000median miles
  • 6involved a crash

Newest report Jul 7, 2026 · checked Oct 2, 2026

44 of the 229 reports of brake wear on the 2015 Sierra 1500 describe brake failure.

Part of Brakes grind, pulse or wear early (229 reports) · also: brake booster failure

2 recalls on this systemcovering the 2015 model year
6 crashesin 44 reports
2 people hurtin these reports
1 firein 44 reports
NHTSA investigation1 covering the 2015

Tick what matches of 44 reports

13
11
16
12
12
6

Brake failure on other Sierra 1500 years

No other Sierra 1500 model year has enough reports of brake failure for a sheet of its own. See every Sierra 1500 year.

What got replaced

Owners who name the part that was replaced mention the booster (4 reports) and the master cylinder (3 reports).

Recalls and investigations

2 recalls on the brakes cover the 2015 model year. A recall on the same system isn't always the same failure, so read the defect text.

19V-761Oct 24, 2019
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Wheel Speed Sensor/Tone Ring

If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.

Risk, remedy and owner complaints on recall 19V-761

19V-645Sep 6, 2019
Service Brakes, Hydraulic:Power Assist:Vacuum

The amount of vacuum created by the vacuum pump may decrease over time.

Risk, remedy and owner complaints on recall 19V-645

All 9 recalls on the 2015 GMC Sierra 1500, with the owner complaints on each recalled system

NHTSA investigations into the brakes on the Sierra 1500

PE18-012opened Nov 20, 2018
Brakes · model years 2014 to 2016

Brake vacuum pump failure. Closed apr 10, 2022, led to recall 19V-645.

When it happens

The middle half of failures fell between 41,000 and 75,000 miles, from the 36 reports that gave a mileage.

Complaints by the year NHTSA received them: 2017: 7, 2018: 7, 2019: 13, 2020: 5, 2021: 3, 2022: 2, 2025: 5, 2026: 27'177'1813'195'203'212'225'252'26

What owners wrote

“When backing up, either on a hill or flat surface, the brakes fail to stop the vehicle. There is a pulsing sensation with the brakes due to failure of the vacuum. The brake pedal also becomes impossible to depress. No warning lights appear when this occurs.”

Filed Jul 7, 2026

“When braking at low speeds I have no brakes to stop and i can feel a vibration in the brake pedal.”

Filed Sep 24, 2022

Should you keep driving it?

This page can't tell you that. 6 of 44 reports involved a crash and 2 people were hurt. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.

File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.

Guide Paid for this repair before a recall covered it? How recall reimbursement works

Other problems on this car