Peterbilt 579 Problems by Model Year
NHTSA recorded 19 consumer complaints across the 3 model years of the Peterbilt 579 (2018–2022) that have at least 5 complaints. 2022 has the most, with 7. Across all years, the part named most often is electrical system (8 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All 579 model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2022 | 7 | 220,536 | 15 | 109 | — | Not enough data |
| 2020 | 5 | 264,786 | 6 | 104 | — | Not enough data |
| 2018 | 7 | 36,375 | 14 | 91 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Electrical system8 30%
- Transmission and drivetrain6 22%
- Brakes5 19%
- Suspension2 7.4%
- Steering2 7.4%
- Engine2 7.4%
- Tires1 3.7%
- Other or unknown1 3.7%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2018: “Bendix wingman collision mitigation system, this system as am trying to brake the vehicle determined that the vehicle in front was closer than it really was and locked the brakes and steering, at such time the driver looses control of the vehicle completely, this was the fourth time it did this, the third time it locked the brakes I was trying to brake while a car was driving out of a driveway, second time I was trying to pass a car and it detected the car to close and locked the brakes, first time bumper to bumper it was raining, on a highway a vehicle cut in front of me tried to apply the…”
NHTSA complaint #11202730, filed 2019-04, 20,000 miles2020: “Odometer Fraud. The contact purchased a 2020 Peterbilt 579. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 217,000, and at the time of registration, it was discovered that the mileage was 349,571.”
NHTSA complaint #11688101, filed 2025-09, 349,571 miles2022: “I would like to talk to you about my truck issue . I bought the truck Peterbilt 579 2022 from golden state Peterbilt fresno ca on 03/03/2021. When I drove the truck I realized it was pulling to the right. I immediately informed the dealership about this issue. I drove the truck about 200 miles to make sure there was something wrong with the truck, so I left the truck at the dealership on 03/04/21 to fix it. The company has claimed to have repaired the truck three times since then but the truck has not been repaired. …”
NHTSA complaint #11404394, filed 2021-03Other Peterbilt models
42 complaintsPeterbilt 357
19 complaintsPeterbilt 388
17 complaintsPeterbilt Peterbilt
11 complaintsPeterbilt 389
7 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology