Service bulletin 43-069
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10200929 |
| Published by NHTSA | 2021-09-03 |
| Manufacturer's number | 43-069 |
| Manufacturer's date | 2021-08-17 |
| NHTSA component | EQUIPMENT; ELECTRICAL SYSTEM |
NHTSA's summary
A DPF regeneration two-position switch parameter is causing inhibited DPF regeneration. A parameter update, via Cummins Insite, restores proper DPF regeneration function.
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, Equipment and accessories
| KENWORTH T280 | 2021 |
|---|---|
| KENWORTH T380 | 2021 |
| KENWORTH T480 | 2021 |
| KENWORTH T680 | 2021 |
| KENWORTH T880 | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V181000 | 2025-03-24. ELECTRICAL SYSTEM:PROPULSION SYSTEM |
|---|---|
| 24V915000 | 2024-12-09. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE |
| 21V00N000 | 2021-12-29. ELECTRICAL SYSTEM:WIRING |
| 21V906000 | 2021-11-19. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, AIR |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 32-014 | 2026-09-29. Service bulletin. This bulletin, the troubleshooting procedure, and the BMS Troubleshooting Checklist have been updated to show that the Autometer tool test results can be used in place of the Midtronics tool test results for fulfilling service and warranty requirements. |
|---|---|
| 43-080 | 2026-06-17. Service bulletin. "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 | 2026-06-03. Service bulletin. Troubleshooting procedures for 2.1m cab power windows are now available. |
| E326 | 2026-05-06. Emissions. EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines. |
| 24PBE_KWE | 2026-03-05. Service bulletin. The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer. |
| 24KWE / 24PBE | 2026-02-05. Service bulletin. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle. |
| 24PBE_24KWE | 2026-02-05. Warranty extension. 24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture requirements. |
| 24PBE/KWE | 2026-01-06. Warranty extension. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle. |
| 24KWE | 2025-12-05. Service campaign. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle. |
| 25KWC | 2025-05-06. Service bulletin. Safety Recall – Interim Notification Certain Kenworth T680E Battery Electric Vehicle (BEV) chassis equipped with certain Accelera High VoltageInterlock 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. This bulletin will be updated when parts and procedures are available. |