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Data through Oct 2026
Model yearDo not drive

2025 Peterbilt 579

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

Recalls (7)Complaints (0)Investigations (0)Bulletins (94)
Recall campaigns covering this model year7337k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2025 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

7 recall campaigns cover the 2025 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 2025 Peterbilt 579
CampaignFiledSubjectComponentVehiclesRemedy
25V-436Jun 26, 2025Tail brake light, upper and lower beam headlights, reverse light, and turn signal may not illuminate as intendedLighting56,260Software update
25V-181Mar 24, 2025High voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive powerElectrical system238Software update
24V-915Dec 9, 2024Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioningElectrical system220,764Software update
24V-789Oct 23, 2024Fuel pump barrels may fracture and cause a fuel leak, which can result in an engine stallFuel system5,690Part replacement
24V-433Jun 12, 2024Tie rod or drag link assembly may contain an improperly heat-treated ball stud, causing the ball stud to breakDo not driveSteering7,410Part replacement
24V-233Mar 27, 2024Steering gear sector shaft may have been improperly heat-treated, which can cause the gear teeth to crack or fractureSteering782Part replacement
24V-044Jan 25, 2024Steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of…Steering45,887Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2025 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.
    All investigations
    Service bulletins

    94 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • 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."
    • E328 Sep 11, 2026 · Service Campaign
      ​​Certain chassis with CARB 2024 compliant MX-13 engines must have the PEU wiring harnesses updated. The original wiring and fuse are insufficient for electrical system operation and protection.
    • 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 Sep 3, 2026 · Service Bulletin/Repair Instructions
      "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 1 chassis. The total chassis count is now 10. A link to the PACCAR Powertrain Prognostics Webcast has been added …
    • P001 Sep 3, 2026 · Service Bulletin/Repair Instructions
      "KW: The chassis list has been updated to include 1 chassis. The total chassis count is now 53. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 8 chassis. The total c…
    • P002 Sep 3, 2026 · Service Bulletin/Repair Instructions
      "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 2 chassis. The total chassis count is now 4. A link to the PACCAR Powertrain Prognostics Webcast has been added i…
    • P003 Aug 27, 2026 · Service Bulletin/Repair Instructions
      "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 1 chassis. The total chassis count is now 10. A link to the PACCAR Powertrain Prognostics Webcast has been added …
    • P002 Aug 27, 2026 · Service Bulletin/Repair Instructions
      "KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 2 chassis. The total chassis count is now 4. A link to the PACCAR Powertrain Prognostics Webcast has been added i…
    • P001 Aug 27, 2026 · Service Bulletin/Repair Instructions
      "KW: The chassis list has been updated to include 1 chassis. The total chassis count is now 53. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 8 chassis. The total c…
    • 43-089 Aug 21, 2026 · Service Bulletin/Repair Instructions
      This optional software update is expected to be available after 08/28/2026.
    • 01-093 Aug 20, 2026 · Service Bulletin/Repair Instructions
      "KW: On certain T680 BEV chassis, installing an updated A/C suction line between the A/C compressor and thermostatic expansion valve (TXV) will help maintain optimal performance and protect the evaporator core tubing and TXV seals. PB: On certain Model 579…
    • P003 Aug 19, 2026 · Service Bulletin/Repair Instructions
      The PB chassis list has been updated to include 1 chassis. The total chassis count is now 9.
    • P001 Aug 19, 2026 · Service Bulletin/Repair Instructions
      "PB: The chassis list has been updated to include 11 chassis. The total chassis count is now 122. KW: The chassis list has been updated to include 3 chassis. The total chassis count is now 52."
    • P003 Aug 13, 2026 · Service Bulletin/Repair Instructions
      The chassis list has been updated to include 1 chassis. The total chassis count is now 8.
    • P001 Aug 13, 2026 · Service Bulletin/Repair Instructions
      "KW -The chassis list has been updated to include 2 chassis. Total chassis count is now 49. PB - The chassis list has been updated to include10 chassis. The total chassis count is now 111."
    • 24KWC/24PBC Aug 13, 2026 · Service Bulletin/Repair Instructions
      Updated Sheppard Steering Gear Classification Tool link in Inspection Procedure
    • 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."
    • P001 Aug 13, 2026 · Service Bulletin/Repair Instructions
      Chassis list has been updated to include 10 chassis. The total chassis count is now 101.
    • 43-089 Aug 13, 2026 · Service Bulletin/Repair Instructions
      This optional software update is expected to be available in late August 2026 for chassis equipped with EPA 2024 EMY 2024-2026 PACCAR MX-11 and MX-13 engines. This bulletin will be updated when the software is ready. This update provides customers with addi…
    • 43-089 Aug 13, 2026 · Service Bulletin/Repair Instructions
      This optional software update is expected to be available in late August 2026 for chassis equipped with EPA 2024 EMY 2024-2026 PACCAR MX-11 and MX-13 engines. This bulletin will be updated when the software is ready. This update provides customers with addi…
    • 24KWL/PBL Aug 13, 2026 · Service Bulletin/Repair Instructions
      The verbiage in the Introduction section has been updated.
    • 46-029 Aug 13, 2026 · Service Bulletin/Repair Instructions
      When DAVIE version 26.21.2 is used to update the VECU3 to software version 3.4.46.0, the VECU3 5071 component group may display as --- after programming.
    • 43-088 Aug 13, 2026 · Service Bulletin/Repair Instructions
      The procedure has been updated to include additional steps for verifying the software level on the vehicle electronic control unit (VECU2) and digital display (DD). Steps have also been added to the PACCAR Common Rail Injection 2 (PCI2) software verification.
    • 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.
    • 43-089 Aug 1, 2026 · Service Bulletin/Repair Instructions
      This optional software update is expected to be available on 08/07/26 for chassis equipped with EPA 2024 EMY 2024-2026 PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service their trucks before a DEF-related derate oc…
    • 46-020 Jul 22, 2026 · Service Bulletin/Repair Instructions
      Certain unaffected chassis have been removed from the chassis population.
    • 43-088 Jul 21, 2026 · Service Bulletin/Repair Instructions
      This optional software update is now available for chassis equipped with EMY 2021B-2023 PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service their trucks before a DEF-related derate occurs. The software is being off…
    • 43-089 Jul 21, 2026 · Service Bulletin/Repair Instructions
      An optional software update is expected to be available on or after 07/31/26 for chassis equipped with EPA 2024 engine model year (EMY) 2024-2026 PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service their trucks bef…
    • 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.
    • 43-088 Jul 7, 2026 · Service Bulletin/Repair Instructions
      "The software is not yet available. The bulletin will be updated when more information is available."
    • P001 Jun 30, 2026 · Service Campaign
      Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY 2024-2026 engines will receive proactive replacement instructions for the PM sensor to maximize uptime and maintain optimal performance.
    • P003 Jun 30, 2026 · Service Campaign
      Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY 2024-2026 engines will receive proactive replacement instructions for the NOx sensor after catalyst to maximize uptime and maintain optimal performance.
    • 43-088 Jun 29, 2026 · Service Bulletin/Repair Instructions
      "An optional software update will be available on 07/06/2026 for chassis equipped with EMY 2021B-2023PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service theirtrucks before a DEF-related derate occurs. The software …
    • T024 Jun 16, 2026 · Service Bulletin/Repair Instructions
      "KW & PB: New software is available for download. The DAVIE4 cache must be cleared before attempting to reprogram a chassis that is experiencing problems to ensure the latest version of software is installed. Follow all steps in the attached procedures befo…
    • T-024 Jun 13, 2026 · Service Bulletin/Repair Instructions
      The repair procedure has been updated to include diagnostic steps.
    • 46-027 Jun 13, 2026 · Service Bulletin/Repair Instructions
      The currently published HD BEV Chassis with PACCAR EPowertrain Service (Built After 1/14/2026) de-energizing Procedures on ServiceNet cannot be utilized for certain pre-production Battery Electric Vehicle (BEV) chassis.
    • 43-080 Jun 3, 2026 · Service Bulletin/Repair Instructions
      "KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note …
    • 27-012 Jun 10, 2026 · Service Bulletin/Repair Instructions
      The attachment for Eaton bulletin TAIB-1015 has been updated to the latest version to improve process flow.
    • R2601 May 29, 2026 · Service Bulletin/Repair Instructions
      Updated primary and/or secondary chassis modules for certain pre-production Kenworth chassis are now available for installation.
    • 27-012 May 26, 2026 · Service Bulletin/Repair Instructions
      KW: A Transmission Control Module (TCM) software update is now available for certain T680, T880, and W990 chassis with Eaton Endurant transmissions, TCM software version R5.5 or later and an AT5 controller, where the TASPS fails. Please see the Eaton bullet…
    • T024 May 26, 2026 · Service Bulletin/Repair Instructions
      KW: A Transmission Control Module (TCM) software update is now available for certain T280, T380, T480, T680, T880, and W990 chassis with PACCAR TX-12 and TX-18 transmissions, TCM software version R5.5 or later and an AT5 controller, where the TASPS fails. …
    • 99-051 May 18, 2026 · Emissions
      There is an update to the CARB Base Emissions Warranty Limits table and Manufacturer’s Warranty Coverage section in certain Engine Model Year (EMY) 2025 MX-11 and MX-13 Operator’s Manuals.
    • 02-177 May 6, 2026 · Service Bulletin/Repair Instructions
      Troubleshooting procedures for 2.1m cab power windows are now available.
    • 43-087 May 5, 2026 · Service Bulletin/Repair Instructions
      (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.
    • 41-024 May 1, 2026 · Service Bulletin/Repair Instructions
      Procedures have been updated to include additional truck models in the service intervals table.
    • 43-087 Apr 4, 2026 · Emissions
      EMY21-25 GHG Label Replacement (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation. (PB) Certain Model 367 / 389 / 567 / 579 / 589 have updated GHG labels available for order and installation.
    • 43-087 Apr 28, 2026 · Service Bulletin/Repair Instructions
      (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation. (PB) Certain Model 367 / 389 / 567 / 579 / 589 have updated GHG labels available for order and installation.
    • 45-070 Apr 17, 2026 · Service Bulletin/Repair Instructions
      The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes.
    • 14-034 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
    • E338 Apr 30, 2026 · Service Campaign
      Certain EPA21 PACCAR MX engines are equipped with PHINIA fuel injectors that do not meet PHINIA’s manufacturing specifications.
    • 36-010 Apr 8, 2026 · Service Campaign
      Bendix Fusion Camera Parameter Correction - (KW) Certain Kenworth T680 chassis may have certain software parameters out of specification. Certain out of specification parameters may result in customer dissatisfaction. (PB) Certain Peterbilt Model 579 chassi…
    • E326 Apr 1, 2026 · Emissions
      EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.
    • 24KWF/PBF Mar 28, 2026 · Service Bulletin/Repair Instructions
      Sheppard Recall Update March 2026 - The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.
    • 01-090 Mar 28, 2026 · Service Bulletin/Repair Instructions
      Bulletin Update 03/02/2026 - A Meritor OnTrac case submission is required prior to repairs being completed. Failure to do so may result in warranty claim denial. See the procedure section for more details.
    • 37-004 Mar 27, 2026 · Service Campaign
      PACCAR MX-13 VECU3 Software Update - Certain heavy-duty chassis equipped with a PACCAR MX-13 engine are eligible for a Vehicle Electronic Control Unit (VECU3) software update.
    • 43-083 Mar 21, 2026 · Service Bulletin/Repair Instructions
      Exhaust Stack Isolators - Early wear of the polyurethane exhaust stack isolators may occur on certain Kenworth chassis due to excessive heat. Early wear of the polyurethane exhaust stack isolators may occur on certain Peterbilt chassis due to excessive heat.
    • 41-024 Mar 11, 2026 · Service Bulletin/Repair Instructions
      Engine Air Filter Servicing UPDATE - Procedures are available to support the maintenance, service intervals, and intake system inspection process for all engine air intake system components.
    • 14-036 Mar 4, 2026 · Other
      One-Piece Aluminum Crossmember Repair - Repair procedures are available to support the replacement of intermediate or midship one-piece aluminum crossmembers.
    • 45-070 Jan 31, 2026 · Service Bulletin/Repair Instructions
      Procedure pictures updated for clarity. When troubleshooting Cummins X15 fault codes 555 or 556, follow this additional testing, inspection, and documentation procedure to help identify the root cause of dusted engines. This is not a stand-alone process bu…
    Source: NHTSA manufacturer communications files.
    About service bulletins