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Service bulletins for the 2012 Peterbilt 579

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

35 on file from NHTSA, as of 2026-10-19.

By type

By component

By topic

Bulletins, newest first
13-0492019-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error. Notice to dealers to replace this version with older software version until Bendix introduces new version.
03-0642018-08-13. Service bulletin. ELECTRICAL SYSTEM. Information - Recommended Practices for Updating ESA Software
32-0102018-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Information only - Customer installed inverters may be wired incorrectly.
15-172018-04-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. Fix-As-Fail - Low Beam Headlamp Bulb Diagnosis (Inspect Bulb and Connector)
19-172018-01-29. Service bulletin. EQUIPMENT:MECHANICAL. Informational Only - Peterbilt 579 aero bumper radar cover license plate grommets require 1/4"x 20 x 3/4"long fasteners.
817-12017-10-12. Service bulletin. TRAILER HITCHES. Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model 567/579 vehicles equipped with this option.
15-162017-10-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
20-162017-10-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Fix-As-Fail: HVAC panel and temperature mode doors are failing for certain 579 and 567 models.
20-162017-04-10. Service bulletin. EQUIPMENT:MECHANICAL. FIX-AS-FAIL: PETERBILT 567/579 HVAC PANEL AND TEMPERATURE MODE DOORS NOT FUNCTIONING PROPERLY
18-162017-02-18. Service bulletin. EQUIPMENT. FIX-AS-FAIL: AN INTERNAL ISSUE MAY CAUSE SOME HVAC MODE DOOR ACTUATORS TO FAIL. THIS WILL CAUSE THE HVAC SYSTEM TO ACT ERRATICALLY OR CONSTANTLY TURN ON AND OFF.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.