2020 Peterbilt 579 Brakes Problems
- Complaints
- 1about this part
- Share
- 20%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the brakes of the 2020 Peterbilt 579, 20% of the 5 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Vehicle has a following distance sensor on front bumper. Sensor is sensing overpasses when traveling underneath them and that should not be detected. Vehicle is automatically applying hard braking. This is causing a possible rear end collision and or loss of vehicle controll in wet conditions.”
NHTSA complaint #11560967, filed 2023-12Related service bulletins
- 10235704Apr 13, 2023Fix As Fail â All New Model 579 chassis with Bendix radar opti on may have a harness rub against the radiator that is causing possible damage.
- 10219235Aug 3, 2022The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
- 10209699Mar 3, 2022Fix-As-Fail â A hill start assist (HSA) valve plumbing revision eliminates ice buildup in the HSA valve exhaust in cold weather.Â
- 10206090Dec 2, 2021âÂÂSafety Recall â Work Brake May Unintentionally Disengage â NHTSA ID: 21V906, TC: 2021-713. The work brake (also known as winch brake) may unintentionally…
- 10198814Jun 30, 2021âSafety Recall â TSE Brake Chamber Air Leak â NHTSA ID: 21V328. Meritor brake chambers were built with a misaligned park spring, which may cause a fatigue hole in the…
- 10182219Oct 1, 2020Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may…
- 10177935Jul 29, 2020Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
Brakes: other model years
Other parts of the 2020 Peterbilt 579
2 complaintsTransmission and drivetrain
2 complaintsElectronic stability control
1 complaintsEngine
1 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2020 Peterbilt 579
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology