Model year

2027 Peterbilt 579

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year36,744 vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 monthsOpenWindow has not closed yet
Complaints over time

Complaints about the 2027 Peterbilt 579 by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

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Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

3 recall campaigns cover the 2027 Peterbilt 579

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2027 Peterbilt 579
CampaignFiledSubjectComponentVehiclesRemedy
26V-544Aug 21, 2026Seat ventilation harness may be missing heat-shrink, resulting in a short circuitSeats811Part replacement
26V-485Jul 27, 2026Power distribution center (PDC) box may be contaminated with oil, which could result in a loss of drive power, Antilock Brake System (ABS)…Electrical system5,925Part replacement
26V-442Jul 8, 2026Trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become…Brakes8Repair or modification
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2027 Peterbilt 579

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    9 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • 26PACD Sep 19, 2026 · Service Campaign
      "The PKC Group power distribution center (PDC) in certain vehicles may be contaminated with oil, which could result in a loss of power to the engine, antilock brake system, exterior lighting, windshield wipers, and/or defrost system. This issue may also res…
    • P001 Sep 11, 2026 · Service Bulletin/Repair Instructions
      "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
    • S024 Sep 10, 2026 · Service Bulletin/Repair Instructions
      "(KW) Parts Shortage – Due to supplier constraints, certain T680 and T880 chassis were shipped without KIMS A/C refrigerant hose assembly. Parts are now available for installation. (PB) Parts Shortage – Due to supplier constraints, certain Model 567 and 57…
    • 01-094 Sep 4, 2026 · Service Bulletin/Repair Instructions
      [SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
    • E343 Sep 5, 2026 · Service Bulletin/Repair Instructions
      An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
    • P003 Aug 13, 2026 · Service Bulletin/Repair Instructions
      "For Peterbilt: Chassis list has been updated to include 1 chassis. The total chassis count is now 7. For Kenworth: Chassis list has been updated to include 1 chassis. The total chassis count is now 8."
    • 14-037 Aug 11, 2026 · Service Campaign
      An improved transmission bracket is now available for replacement on certain chassis equipped with a PACCAR TX-12 transmission, featuring a more durable design for enhanced long-term performance.
    • 41-029 Jul 18, 2026 · Service Bulletin/Repair Instructions
      Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson air filter housings.
    • 99-052 Jul 2, 2026 · Service Bulletin/Repair Instructions
      There is an update to the Base Emissions Warranty Limits table [PR1.1]and general certification information in certain Engine Model Year (EMY) 2026 MX-11 and MX-13 Operator’s Manuals.
    Source: NHTSA manufacturer communications files.