{"vehicle":{"id":"2026_peterbilt_579","year":2026,"make":"Peterbilt","model":"579"},"as_of":"2026-10-19","counts":{"count":52,"by_type":[{"id":"service_bulletin","name":"Service bulletin","count":42},{"id":"service_campaign","name":"Service campaign","count":7},{"id":"emissions","name":"Emissions","count":2},{"id":"other","name":"Other","count":1}],"components":[{"id":"engine","name":"Engine","count":26},{"id":"electrical","name":"Electrical system","count":11},{"id":"powertrain","name":"Transmission and driveline","count":5},{"id":"lighting","name":"Lighting","count":2},{"id":"adaptive-cruise","name":"Adaptive cruise control","count":1},{"id":"structure-body","name":"Body and frame","count":1},{"id":"driver-assistance","name":"Driver assistance","count":1},{"id":"steering","name":"Steering","count":1}],"codes":[],"topics":[{"id":"maintenance","name":"maintenance","count":2}]},"bulletins":[{"nhtsa_id":11038569,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-17","date":"2026-10-14","document_id":"42-070","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"Due to supplier constraints, an authorized aftermarket surge tank has been made available.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038569-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038569-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038569"},{"nhtsa_id":11037541,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-29","date":"2026-09-11","document_id":"P001","mfr_campaign":null,"component":"ENGINE","summary":"\"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.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037541-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037541-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037541"},{"nhtsa_id":11037480,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-09-23","date":"2026-09-11","document_id":"E328","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037480-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037480-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037480"},{"nhtsa_id":11037479,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-23","date":"2026-09-04","document_id":"01-094","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; UNKNOWN OR OTHER","summary":"[SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037479-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037479-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037479"},{"nhtsa_id":11037451,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-23","date":"2026-09-05","document_id":"E343","mfr_campaign":null,"component":"ENGINE","summary":"An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037451-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037451-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037451"},{"nhtsa_id":11037450,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-23","date":"2026-09-03","document_id":"P003","mfr_campaign":null,"component":"ENGINE","summary":"\"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 in the Links section.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037450-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037450-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037450"},{"nhtsa_id":11037449,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-23","date":"2026-09-03","document_id":"P001","mfr_campaign":null,"component":"ENGINE","summary":"\"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 chassis count is now 130. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037449-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037449-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037449"},{"nhtsa_id":11036428,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-27","date":"2026-08-27","document_id":"P003","mfr_campaign":null,"component":"ENGINE","summary":"\"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 in the Links section.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036428-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036428-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036428"},{"nhtsa_id":11036426,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-27","date":"2026-08-27","document_id":"P001","mfr_campaign":null,"component":"ENGINE","summary":"\"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 chassis count is now 130. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036426-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036426-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036426"},{"nhtsa_id":11036342,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-25","date":"2026-08-21","document_id":"43-089","mfr_campaign":null,"component":"ENGINE","summary":"This optional software update is expected to be available after 08/28/2026.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036342-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036342-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036342"},{"nhtsa_id":11036340,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-25","date":"2026-08-19","document_id":"P003","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE","summary":"The PB chassis list has been updated to include 1 chassis. The total chassis count is now 9.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036340-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036340-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036340"},{"nhtsa_id":11036339,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-25","date":"2026-08-19","document_id":"P001","mfr_campaign":null,"component":"ENGINE","summary":"\"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.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036339-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036339-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036339"},{"nhtsa_id":11036298,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"P003","mfr_campaign":null,"component":"ENGINE","summary":"The chassis list has been updated to include 1 chassis. The total chassis count is now 8.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036298-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036298-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036298"},{"nhtsa_id":11036297,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"P001","mfr_campaign":null,"component":"ENGINE","summary":"\"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.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036297-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036297-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036297"},{"nhtsa_id":11036296,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"24KWC/24PBC","mfr_campaign":null,"component":"STEERING","summary":"Updated Sheppard Steering Gear Classification Tool link in Inspection Procedure","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036296-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036296-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036296"},{"nhtsa_id":11036295,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"P003","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM","summary":"\"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.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036295-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036295-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036295"},{"nhtsa_id":11036293,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"43-089","mfr_campaign":null,"component":"ENGINE","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036293-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036293-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036293"},{"nhtsa_id":11036292,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"43-089","mfr_campaign":null,"component":"ENGINE","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036292-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036292-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036292"},{"nhtsa_id":11036290,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"46-029","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036290-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036290-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036290"},{"nhtsa_id":11036288,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-08-20","date":"2026-08-11","document_id":"14-037","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036288-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036288-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036288"},{"nhtsa_id":11035433,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-01","date":"2026-08-01","document_id":"43-089","mfr_campaign":null,"component":"ENGINE","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035433-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035433-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035433"},{"nhtsa_id":11035151,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-22","date":"2026-07-21","document_id":"43-089","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035151-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035151-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035151"},{"nhtsa_id":11035149,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-22","date":"2026-07-18","document_id":"41-029","mfr_campaign":null,"component":"ENGINE","summary":"Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson air filter housings.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035149-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035149-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035149"},{"nhtsa_id":11035095,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-20","date":"2026-07-02","document_id":"99-052","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035095-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035095-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035095"},{"nhtsa_id":11034397,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-07-02","date":"2026-06-30","document_id":"P001","mfr_campaign":null,"component":"ENGINE","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034397-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034397-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034397"}],"next_cursor":"2026-07-02_11034397","note":"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.","attribution":[]}