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Service campaign 46-022

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11029642
Published by NHTSA2026-03-05
Manufacturer's number46-022
Manufacturer's date2026-02-26
Campaign id or software version46-022
NHTSA componentELECTRICAL SYSTEM
Manufacturer's systemSoftware

NHTSA's summary

Certain Model 220, K270, and K370 BEV chassis are broadcasting incorrect VINs to PACCAR Solutions.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
KENWORTH K2702022 to 2025
KENWORTH K3702022 to 2025
PETERBILT 2202022, 2023, 2024, 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V1820002025-03-24. ELECTRICAL SYSTEM:PROPULSION SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
46-0252026-09-29. Service bulletin. The bulletin has been updated to include vehicles equipped with 141 kWh batteries.
26PACB2026-07-20. Service campaign. "(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."
46-0252026-03-05. Service campaign. Software updates are available for certain Peterbilt Model 220 BEVs that experience battery pack cell imbalances.
25PBD/25KWD2026-01-06. Service bulletin. A photo of the two ring terminals and a caution statement have been added to the Dana Cradle Harness Removal and Installation Procedure. Safety Recall Parts and procedures are now available. Interim flagging has been removed from chassis in the PACCAR Registration and Warranty System and will now display the safety recall number. Refer to Bulletin 99-048 for details. The chassis affected population has increased.
46-0242026-01-06. Service bulletin. Certain Battery Electric Vehicles that are subject to California Air Resources Board (CARB) regulations have Vehicle Emissions Control Information (VECI) labels that are missing the CARB Enhanced EV and FCEV Statement.
98-0302025-06-05. Service bulletin. 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.
25PBD2025-05-06. Service bulletin. Safety Recall – Interim Notification Certain Medium Duty Battery Electric Vehicles (MD BEV) may experience intermittent continuity in one or more terminal pins of the C40 connector on the cradle harness. Intermittent connections in the C40 connector may result in a loss of propulsion, which may increase the risk of a crash. This bulletin will be updated once parts and procedures are available.
98-0302024-10-05. Service campaign. 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.
46-001 HVAC Update2024-09-10. Other. BEV Phase 2 tools have been added to the BEV required tools lists.
46-0662024-07-03. Service bulletin. On certain Peterbilt Model 220EV Battery Electric Vehicles (BEVs), timer 2 for the HED® Telematic device may malfunction inside the cab harness. Due to this malfunction, the fuse for the telematic device is being triggered. If fuse has blown, the timer may malfunction.