# Service bulletins for the 2024 Peterbilt 589 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. 42 bulletins from NHTSA, as of 2026-10-19. - [42\-070](/bulletins/11038569.md), 2026-10-17, Service bulletin: UNKNOWN OR OTHER. Due to supplier constraints, an authorized aftermarket surge tank has been made available. - [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "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." - [41\-028](/bulletins/11037539.md), 2026-09-29, Service campaign: ENGINE. The campaign expiration date has been extended from 10/01/2026 to 04/01/2027. - [01\-094](/bulletins/11037479.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. \[SmartAir / KIMS\] A/C systems may shut down prematurely when voltage levels drop below a certain threshold. - [E343](/bulletins/11037451.md), 2026-09-23, Service bulletin: ENGINE. An exhaust manifold slip joint seal kit is now available for EPA 2017\-2024 PACCAR MX\-13 engines. - [P002](/bulletins/11037448.md), 2026-09-23, Service bulletin: ENGINE. "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 in the Links section." - [P002](/bulletins/11036427.md), 2026-08-27, Service bulletin: ENGINE. "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 in the Links section." - [43\-089](/bulletins/11036342.md), 2026-08-25, Service bulletin: ENGINE. This optional software update is expected to be available after 08/28/2026. - [P001](/bulletins/11036294.md), 2026-08-20, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Chassis list has been updated to include 10 chassis. The total chassis count is now 101. - [43\-089](/bulletins/11036293.md), 2026-08-20, Service bulletin: ENGINE. 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 additional time to service their trucks before a DEF\-related derate occurs. The software is being offered to customers in alignment with recently updated regulatory agency guidance. The procedure document has also been updated for clarity. - [43\-089](/bulletins/11036292.md), 2026-08-20, Service bulletin: ENGINE. 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 additional time to service their trucks before a DEF\-related derate occurs. The software is being offered to customers in alignment with recently updated regulatory agency guidance. The procedure document has also been updated for clarity. - [24KWL/PBL](/bulletins/11036291.md), 2026-08-20, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS. The verbiage in the Introduction section has been updated. - [43\-089](/bulletins/11035433.md), 2026-08-01, Service bulletin: ENGINE. 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 occurs. The software is being offered to customers in alignment with recently updated regulatory agency guidance. - [43\-089](/bulletins/11035151.md), 2026-07-22, Service bulletin: ENGINE; ELECTRICAL SYSTEM. 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 before a DEF\-related derate occurs. The software is being offered to customers in alignment with recently updated regulatory agency guidance. - [31\-002](/bulletins/11035109.md), 2026-07-21, Service bulletin: ELECTRICAL SYSTEM. An installation guide is now available for temporary solar battery maintainers used on vehicles in dealer inventory. Using solar battery maintainers according to the attached guide can reduce instances of dead or undercharged batteries in stock vehicles at dealerships. Use of solar maintainers is considered a best practice for battery maintenance. - [43\-080](/bulletins/11033918.md), 2026-06-17, Service bulletin: ELECTRICAL SYSTEM. "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 boxes for clear instructions." - [02\-177](/bulletins/11033351.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM. Troubleshooting procedures for 2.1m cab power windows are now available. - [43\-087](/bulletins/11033349.md), 2026-06-03, Service bulletin: UNKNOWN OR OTHER. \(KW\) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation. - [41\-024](/bulletins/11032876.md), 2026-05-20, Service bulletin: ENGINE. Procedures have been updated to include additional truck models in the service intervals table. - [43\-087](/bulletins/11032297.md), 2026-05-06, Emissions: ENGINE. 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](/bulletins/11032295.md), 2026-05-06, Service bulletin: UNKNOWN OR OTHER. \(KW\) 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](/bulletins/11032293.md), 2026-05-06, Service bulletin: ENGINE. 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](/bulletins/11032290.md), 2026-05-06, Service bulletin: UNKNOWN OR OTHER. Bogie Crossmember Torque Value Update \- Procedure has been updated to correct torque values. - [E326](/bulletins/11032284.md), 2026-05-06, Emissions: ENGINE; ELECTRICAL SYSTEM. EPA17\-24 MX Fuel Injector Connector \- This bulletin has been revised to include all EPA17\-24 and CARB24 PACCAR MX engines. - [37\-004](/bulletins/11030933.md), 2026-04-07, Service campaign: UNKNOWN OR OTHER. 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. 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