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Service bulletins for the 2015 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.

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

By type

By component

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Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
02-1612021-05-05. Service bulletin. STRUCTURE. Non-Safety Campaign- Chassis Fairings become loose and rattle.
02-1582020-09-03. Service bulletin. EQUIPMENT; STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Fix as Fail: Peterbilt has determined that certain model 348, 365, 367, 382, 384, 386, 388, 389, 567, 579, and 587 trucks, built between 4/13/2010 and 3/16/2020 and equipped with a flush mounted battery box, utilized rubber washers that could rub through and cause the aluminum box mounting tabs to rub directly on the steel frame brackets. This could result in cracked battery box mounting angles. Resolution is to add the reinforcement bracket(s) to affected vehicles.
43-0672020-07-03. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (“SOC”) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the exhaust stack to rotate and contact the cab or sleeper.
43-0662020-04-07. Service bulletin. STRUCTURE. DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on the tank cover by adding bottom tank washers.
02-1522019-11-04. Service bulletin. STRUCTURE:BODY:DOOR. Fix as Fail: Certain model 579 trucks manufactured between September 5, 2014 and May 25, 2018 may have a faux door panel on the fairing with an insufficient weld that could result in the panel loosening. Resolution is to replace the applicable door panel upon failure.
02-1502019-09-05. Service bulletin. STRUCTURE. Fix as Fail Vehicles equipped with chassis fairings may have battery box openings that allow debris to enter the box. A battery box closeout has been designed and when installed will prevent debris from entering the battery box.

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