2012 Peterbilt 579 technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Nov 4, 2026 Service bulletinThe new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
• Sep 11, 2026 Service bulletinKenworth: Dealers should check the chassis list and SIR weekly for VIN changes
• May 6, 2026 Service bulletinTroubleshooting procedures for 2.1m cab power windows are now available.
• Jun 23, 2023 Service bulletinFix-as-Fail
• Apr 13, 2021 Service bulletinNon-Safety Campaign- Chassis Fairings become loose and rattle.
• Feb 25, 2021 Service bulletinNon-Safety Campaign – The batteries may drain quickly due to the VECU not going to sleep
• Feb 25, 2021 Service bulletinNon-Safety Campaign – Chassis with the City Horn option may generate unexpected alerts
• Feb 10, 2021 Service bulletinInformation Only – Windshield washer pumps have a high No Trouble Found rate
• Aug 25, 2020 Service bulletinElectrical system: 12v/24v/48v battery
• Jun 10, 2020 Service bulletinFix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (“SOC”) exhaust and...
• Jun 8, 2020 Service bulletinInformation Only:
• May 29, 2020 Service bulletinInformation only: Hendrickson Softek front axle maintenance intervals and requirements.
• Apr 30, 2020 Service bulletinSafety Recall Bulletin: Updated with permanent repair path for phase 1 vehicles
• Apr 15, 2020 Service bulletinSafety Recall Interim Bulletin: The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery...
• Mar 26, 2020 Service bulletinElectrical system
• Mar 17, 2020 Service bulletinInformation Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
• Mar 3, 2020 Service bulletinInformation Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed,...
• Feb 28, 2020 Service bulletinInformation Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed,...
• Dec 18, 2019 Service bulletinInformation Only
• Nov 6, 2019 Service bulletinInformation Only:
• Sep 27, 2019 Service bulletinInformation Only –
• Aug 23, 2019 Service bulletinFix-As-Fail: Two separate causes have been identified as root
• Jun 10, 2019 Service bulletinInformation Only
• Apr 8, 2019 Service bulletinInformation Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
• Jan 4, 2019 Service bulletinInformation: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error
• Jul 23, 2018 Service bulletinInformation
• Apr 6, 2018 Service bulletinInformation only
• Feb 9, 2018 Service bulletinFix-As-Fail
• Dec 13, 2017 Service bulletinInformational Only
• Sep 28, 2017 Service bulletinNon Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on...
• Sep 27, 2017 Service bulletinFix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
• Sep 12, 2017 Service bulletinFix-As-Fail: HVAC panel and temperature mode doors are failing for certain 579 and 567 models.
• Mar 3, 2017 Service bulletinFix-as-fail: peterbilt 567/579 HVAC panel and temperature mode doors not functioning properly
• Nov 7, 2016 Service bulletinFix-as-fail: an internal issue may cause some HVAC mode door actuators to fail
• Jul 13, 2016 Service bulletinSmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.