2020 Peterbilt 579Service bulletins
2020 Peterbilt 579 Technical Service Bulletins
104 technical service bulletins (TSBs) are on record for the 2020 Peterbilt 579. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10161057May 31, 2019Visibility (wipers, defrost, mirrors). Safety Recall: Peterbilt Motors Company has determined that a defect, which relates to motor vehicle safety, may exist in certain model year 2020 Model 567 and 579 vehicles manufactured between 2/15/2019 and 3/15/2019. The upper mirror in the side mirror assemblies could fall from the housing and limit the visibility of the driver. The mirror and carrier will be inspected to verify the Mekra Lang manufacture date…
- 10161055May 21, 2019Transmission and drivetrain. Fix-As-Fail ? Intermittent throttle hesitation may be encountered after installing an optional PTO connector.
- 10159674Apr 8, 2019Equipment. Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
- 10186168Jul 13, 2016Equipment. SmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.
← All problems reported for the 2020 Peterbilt 579
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.