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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.

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Bulletins, newest first
7-172018-02-12. Service bulletin. WHEELS:HUB; WHEELS. Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
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.
317-22017-11-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Non-Safety Campaign ? Outside air temperature sensor may fail for 567 and 579 built between 2015 and 2017.
14-172017-11-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Fix-as-Fail ? Outside air temperature sensor may fail for 567 and 579 built between 2015 and 2017.
5172017-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Fix-as-Fail: CECU3 software P30-1011-139 software has been released. This software update is not mandatory. This software requires MY2017 PCC software when installed on MY2015/2016 vehicles equipped with PCC.
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
101612017-04-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FIX-AS-NEEDED - SMARTNAV SOFTWARE UPDATE IS AVAILABLE FOR IMPROVEMENTS TO IN-CALL AUDIO, RADIO SETTINGS AND WHEEL SEEK FUNCTIONALITY.
19-162017-04-05. Service bulletin. ENGINE. FIX-AS-FAIL: MOLDED AIR INTAKE PIPE MAY CRACK ALLOWING DUST TO INTRUDE INTO ENGINE. PROCEDURE IS PROVIDED FOR INSPECTING AND REPLACING THE AIR INTAKE PIPE.
816-22017-03-27. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE. NON-SAFETY CAMPAIGN: REPLACE THE MOLDED AIR INTAKE PIPE, WHICH CAN CRACK AND ALLOW ROAD DEBRIS INTO THE ENGINE. DEBRIS ENTERING THROUGH THE INTAKE MAY CAUSE SEVERE ENGINE DAMAGE.
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.
716-12017-02-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. NON-SAFETY CAMPAIGN: WATSON & CHALIN LIFT AXLE FRAME BRACKETS WITH SLOTTED LOWER MOUNTING HOLES MAY EXHIBIT CRACKING WHEN FASTENERS ARE POSITIONED AT THE UPPER PORTION OF THE SLOT. INSTALLING A DOUBLER PLATE MAY PREVENT CRACKS FROM DEVELOPING. FOR VEHICLES WHERE CRACKING IS EVIDENT, A NEW UPDATED SIDE PLATE WILL BE INSTALLED.
116-12017-02-18. Service bulletin. EQUIPMENT. FIELD REPAIR NOTICE: SMARTNAV 2.0 RETROFIT FOR MODELS BUILT WITH PRE-PRODUCTION PARTS.
16-162017-02-17. Service bulletin. ENGINE. FIX-AS-FAIL: UPDATED PROCEDURE FOR MODELS WITH ENGINE-OVERSPEED WARNING BROUGHT TO DEALERSHIP.

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