{"vehicle":{"id":"2022_peterbilt_520","year":2022,"make":"Peterbilt","model":"520"},"as_of":"2026-10-19","counts":{"count":48,"by_type":[{"id":"service_bulletin","name":"Service bulletin","count":36},{"id":"service_campaign","name":"Service campaign","count":8},{"id":"warranty_extension","name":"Warranty extension","count":1},{"id":"emissions","name":"Emissions","count":3}],"components":[{"id":"engine","name":"Engine","count":23},{"id":"electrical","name":"Electrical system","count":15},{"id":"fuel-system","name":"Fuel system","count":5},{"id":"driver-assistance","name":"Driver assistance","count":3},{"id":"steering","name":"Steering","count":2},{"id":"powertrain","name":"Transmission and driveline","count":2},{"id":"brakes","name":"Brakes","count":1},{"id":"equipment","name":"Equipment and accessories","count":1},{"id":"visibility","name":"Glass, wipers and mirrors","count":1},{"id":"suspension","name":"Suspension","count":1}],"codes":[],"topics":[]},"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":11036291,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"24KWL/PBL","mfr_campaign":null,"component":"FORWARD COLLISION AVOIDANCE: WARNINGS","summary":"The verbiage in the Introduction section has been updated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036291-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036291-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036291"},{"nhtsa_id":11036289,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-20","date":"2026-08-13","document_id":"43-088","mfr_campaign":null,"component":"ENGINE","summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036289-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036289-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036289"},{"nhtsa_id":11035203,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-23","date":"2026-07-22","document_id":"46-020","mfr_campaign":null,"component":"UNKNOWN OR OTHER; ELECTRICAL SYSTEM","summary":"Certain unaffected chassis have been removed from the chassis population.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035203-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035203-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035203"},{"nhtsa_id":11035202,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-23","date":"2026-07-21","document_id":"43-088","mfr_campaign":null,"component":"ENGINE","summary":"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 offered to customers in alignment with recently updated regulatory agency guidance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035202-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035202-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035202"},{"nhtsa_id":11035147,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-22","date":"2026-07-10","document_id":"E318","mfr_campaign":null,"component":"ENGINE","summary":"The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage. The Warranty section has also been updated to include Peterbilt specific SRT codes for filing cross-division repairs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035147-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035147-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035147"},{"nhtsa_id":11035108,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-21","date":"2026-07-07","document_id":"43-088","mfr_campaign":null,"component":"ENGINE","summary":"\"The software is not yet available. The bulletin will be updated when more information is available.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035108-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035108-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035108"},{"nhtsa_id":11035098,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-07-20","date":"2026-07-02","document_id":"26PACB","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM","summary":"\"(KW): Certain Kenworth K270 and K370 Battery Electric Vehicle (BEV) chassis equipped with certain DANA cradle harnesses may intermittently lose electrical continuity at one or more C40 connector pins. This can occur without warning and cause loss of propulsion, increasing the risk of a crash. Certified BEV technicians will inspect the C40 connector and replace the cradle harness, if necessary. This safety recall defect is identical to 25KWD and applies to certain Canadian chassis added on 07/02/2026. (PB): Certain Peterbilt Model 220 Battery Electric Vehicle (BEV) chassis equipped with certain DANA cradle harnesses may intermittently lose electrical continuity at one or more C40 connector pins. This can occur without warning and cause loss of propulsion, increasing the risk of a crash. Certified BEV technicians will inspect the C40 connector and replace the cradle harness, if necessary. This safety recall defect is identical to 25PBD and applies to certain Canadian chassis added on 07/02/2026.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035098-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035098-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035098"},{"nhtsa_id":11035096,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-07-20","date":"2026-07-02","document_id":"25KWD 25PBD","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM","summary":"Additional US chassis have been added, along with additional Canadian chassis under identical safety recall 26PACB.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035096-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035096-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035096"},{"nhtsa_id":11034394,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-02","date":"2026-06-29","document_id":"43-088","mfr_campaign":null,"component":"ENGINE","summary":"\"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 is being offered to customers in alignment withrecently updated regulatory agency guidance.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034394-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034394-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034394"},{"nhtsa_id":11034059,"type":"warranty_extension","type_name":"Warranty extension","date_added":"2026-06-25","date":"2026-06-24","document_id":"CE031","mfr_campaign":"CE031","component":"ENGINE; POWER TRAIN","summary":"\"KW & PB 14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been added to this warranty policy.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034059-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034059-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034059"},{"nhtsa_id":11033918,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-17","date":"2026-06-03","document_id":"43-080","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"\"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.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033918-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033918-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033918"},{"nhtsa_id":11033352,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-06-03","date":"2026-05-14","document_id":"46-028","mfr_campaign":null,"component":"STEERING","summary":"Certain Peterbilt Model 520 BEV chassis with an Accelera Power Control and Accessory System (PCAS) were manufactured without a check valve in the power steering system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033352-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033352-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033352"},{"nhtsa_id":11032288,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-05-06","date":"2026-04-30","document_id":"E338","mfr_campaign":"E338","component":"ENGINE","summary":"Certain EPA21 PACCAR MX engines are equipped with PHINIA fuel injectors that do not meet PHINIA’s manufacturing specifications.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032288-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032288-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032288"},{"nhtsa_id":11032284,"type":"emissions","type_name":"Emissions","date_added":"2026-05-06","date":"2026-04-01","document_id":"E326","mfr_campaign":"E326","component":"ENGINE; ELECTRICAL SYSTEM","summary":"EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032284-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032284-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032284"},{"nhtsa_id":11030916,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-07","date":"2026-03-03","document_id":"22KWE/PBE","mfr_campaign":"22KWE/PBE","component":"STEERING","summary":"Sheppard Recall Order Process Update - The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030916-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030916-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030916"},{"nhtsa_id":11027061,"type":"emissions","type_name":"Emissions","date_added":"2026-01-06","date":"2025-12-13","document_id":"E334","mfr_campaign":"E334","component":"ENGINE","summary":"Certain vehicle model year 2022 Kenworth chassis equipped with Engine Model Year (EMY) 2021 PACCAR MX engines may have an exempt engine label installed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027061-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027061-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027061"},{"nhtsa_id":11026418,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-12-05","date":"2025-11-04","document_id":"46-019","mfr_campaign":"46-019","component":"UNKNOWN OR OTHER","summary":"Repair procedures and warranty information for model 520EV are now available. Certain Peterbilt 579EV and 520EV chassis have the First Responder Guide (FRG) label incorrectly showing the cut loop on the wrong side and are missing the Low Voltage Battery Disconnect Switch and Do Not Jump Start labels. These labels are now available for installation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026418-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026418-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026418"},{"nhtsa_id":11026416,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-12-05","date":"2025-11-04","document_id":"01-090","mfr_campaign":"01-090","component":"ENGINE","summary":"Repair procedures and warranty information for model 520EV are now available. The cab heater coolant system on Peterbilt 579EV and 520EV models may not deaerate properly, causing pump malfunctions and inadequate cab heating. Update coolant deaeration return line parts and procedures are now available to release trapped air back to the reservoir.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026416-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026416-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026416"},{"nhtsa_id":11020043,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-02","date":"2025-06-07","document_id":"E318","mfr_campaign":"E318","component":"ENGINE; FUEL/PROPULSION SYSTEM","summary":"Newly designed fuel injectors are available for EPA2021 compliant PACCAR MX-series engines to optimize engine performance. Injectors must be replaced as a full set (6 injectors) and associated software must be updated at the same time.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020043-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020043-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11020043"},{"nhtsa_id":11019172,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-05","date":"2025-05-31","document_id":"98-030","mfr_campaign":"98-030","component":"ELECTRICAL SYSTEM","summary":"5/29/2025: A new Ethernet Multiplexed Architecture (EMUX) Service Tool Kit service manual (SM034-022) has been released to provide general use information. The new EMUX Service Tool Kit improves cab & chassis electrical troubleshooting efficiency, while reducing risk of component damage. 4/29/2025: The Ethernet Multiplexed Architecture (EMUX) Service Tool Kit and individual kit components are now available to order. Dealers that have received their first kit may order an additional kit. The EMUX Service Tool Kit Part number has been updated to match OEM drawings (P74-1045-001). Individual kit component part numbers can be found in the Reference Bill of Materials sheet. The new EMUX Service Tool Kit improves cab & chassis electrical troubleshooting efficiency, while reducing risk of component damage. Information Only New diagnostic tool is required to support PACCAR Ethernet Multiplexed Architecture (EMUX). The EMUX Service Tool Kit will help improve cab & chassis electrical troubleshooting efficiency, while reducing the risk of component damage.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019172-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019172-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019172"},{"nhtsa_id":11017902,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-06","date":"2025-04-08","document_id":"25PBC","mfr_campaign":"25PBC","component":"ELECTRICAL SYSTEM","summary":"Safety Recall – Interim Notification Certain Battery Electric Vehicle (BEV) chassis equipped with certain Accelera High Voltage Interlock Loop (HVIL)circuit configurations may experience a sudden loss of high voltage power with unintended opening of electrical contactors, which may occur without warning. This can result in a loss of propulsion and may increase the risk of a crash. This bulletin will be updated once parts and procedures are available.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017902-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017902-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017902"},{"nhtsa_id":11017898,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-05-06","date":"2025-04-30","document_id":"46-016","mfr_campaign":"46-016","component":"ELECTRICAL SYSTEM","summary":"4/29/2025: Campaign A software update is available for 520EV and 579EV Battery Electric Vehicles. This software update corrects or improves certain functions. Software update procedures have been revised. Campaign start date is 12/05/2024. Campaign A software update is available for 520EV and 579EV Battery Electric Vehicles. This software update corrects or improves certain functions. Campaign start date is 12/05/2024.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017898-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017898-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017898"},{"nhtsa_id":11017896,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-06","date":"2025-04-30","document_id":"25PBC","mfr_campaign":"25PBC","component":"ELECTRICAL SYSTEM","summary":"Certain Peterbilt Battery Electric Vehicle (BEV) chassis equipped with certain Accelera High Voltage Interlock Loop(HVIL) circuit configurations may experience a sudden loss of high voltage power with unintended opening of electrical contractors, which may occur without warning. This can result in a loss of propulsion and may increase the risk of a crash. Software version verification, along with the installation of an upgraded circuit overlay harness kit, is required to address this issue.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017896-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017896-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017896"}],"next_cursor":"2025-05-06_11017896","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":[]}