24KWL/PBL
Service Bulletin/Repair Instructions
The verbiage in the Introduction section has been updated.
Vehicle report
2024 KENWORTH T280
Service bulletins
26 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
14-037
Service Campaign
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.
43-080
Service Bulletin/Repair Instructions
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
Service Bulletin/Repair Instructions
Troubleshooting procedures for 2.1m cab power windows are now available.
14-034
Service Bulletin/Repair Instructions
Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
24KWC/PBC
Service Bulletin/Repair Instructions
Sheppard Recall Update March 2026 - The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.
24PBE_KWE
Service Bulletin/Repair Instructions
The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
45-069
Service Bulletin/Repair Instructions
Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1 as the filter is no longer compatible.
24KWE / 24PBE
Service Bulletin/Repair Instructions
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
Warranty Program/Extension
24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture requirements.
43-076
Service Bulletin/Repair Instructions
Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis have updated Greenhouse Gas (GHG) labels available for installation.
24KWE/24PBE
Emissions
The parts section has been updated for clarity. 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.
25PACF
Service Bulletin/Repair Instructions
Parts and procedures are now available for all affected chassis equipped with Vehicle Electronic Control Unit (VECU) part number Q21-1157-013-011 / Q21-1157-013-013 / Q21-1157-002-002 / Q21-1157-004-004 / Q21-1157-006-006 / Q21-1157-009-009. See attached Parts Matrix for required parts per chassis.
24PBE/KWE
Warranty Program/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.
25KWB/25PBB
Service Bulletin/Repair Instructions
A new Recommended Repair has been added. It must be used if safety recall 25PACF is performed prior to or at the same time as this repair since the 25PACF remedy also satisfies this safety recall.
24KWE
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.
T020 - KW
Service Bulletin/Repair Instructions
T180/T280/T380/T480 PACCAR TX-8 Transmission Software Update for Wheel Speed Sensor Fix-As-Fail Certain T180 / T280 / T380 / T480 chassis equipped with a PACCAR TX-8 transmission received transmission software with an incorrect software variable. This software issue may cause Wheel Speed Sensor DTC 521215-2 to set, the Transmission Dash Light to Illuminate, and restricted shifting . A software update is now available to fix the issue.
25KWB
Service Bulletin/Repair Instructions
Safety Recall Updated software and repair procedures are now available. The Exterior Lighting Switch (ELS) in certain T180/T280/T380/T480 chassis may not function and can be reset only by a key cycle. This issue may result in non-compliance with FMVSS/CMVSS 101 and 108. Affected chassis must have the Vehicle Software updated.
25KWA
Service Bulletin/Repair Instructions
Safety Recall – Interim Notification Certain vehicles may have an oversized magnet carrier in the throttle pedal assembly. The magnet carrier acts as the pivot for the throttle pedal. An oversized magnet carrier may cause the throttle pedal to stick. If the throttle pedal fails to return to idle, or sticks, it may increase the risk of a crash. Drivers may feel sticking or that the pedal doesn’t return to idle once released. Pressing the service brake will overcome a stuck throttle pedal and allow the vehicle to stop. This bulletin will be updated when parts and procedures are available.
98-026
Service Bulletin/Repair Instructions
New tools are required to support PACCAR TX-8 / ZF transmissions. Part numbers E0l-1012 (Adapter, Jack TX-8), E0l-1014 (Front Seal Installer), and E0l-1015 (Rear Seal Installer) are currently available to order
51-017
Service Bulletin/Repair Instructions
Certain Kenworth T180/T280/T380/T480 trucks may have mis-pinned wires for the Bluetooth system which may cause the Bluetooth to not function properly when the driver tries to make/receive a call.
24KWA
Service Bulletin/Repair Instructions
SAFETY RECALL Certain T180/T280/T380/T480 chassis may have cab mirror glass lock rings not fully seated. This could result in loss of mirror glass, reducing rear visibility and increasing the risk of an accident or injury. Missing mirrors cause non-compliance with FMVSS 111 / CMVSS 111. Mirror glass lock rings must be inspected and, if necessary, reseated.
24KWC
Service Bulletin/Repair Instructions
Safety Recall Inspection procedures are available. Steering gear serial numbers must be inspected to determine suspect gears. Certain steering gears may have been assembled incorrectly, causing the gear to fracture. This can cause a loss of steering control, increasing the risk of a crash.
23KWJ
Service Bulletin/Repair Instructions
Safety Recall 23KWJ: T280/T380/T480 Delayed Trailer Brake Release T280/T380/T480 Delayed Trailer Brake Release. Safety Recall Certain T280/T380/T480 chassis built with 2.1m Medium Duty End of Frame Trailer Connections and Tractor Protection Valves may not meet the standard trailer brake release timing requirements by 0.5 seconds. A delay in the trailer brake release may create momentary instability to the trailer and increase the risk of a crash.
23KWE
Service Bulletin/Repair Instructions
Safety Recall: Parts and repair procedures are now available. Kenworth has determined that a safety defect exists in certain Model Year 2023-2024 T280, T380, and T480 chassis with TX-8 transmissions and flange mounted yokes. A locking feature may not be installed on fastener threads. This may allow the driveline fasteners to become loose, increasing the risk of a crash or injury.
23KWB
Service Bulletin/Repair Instructions
Parts and repair procedures are now available. Kenworth has determined that a safety defect exists in certain Model Year 2021-2024 T280, T380, and T480 chassis with air brakes. The brake pedal plunger which connects the brake pedal to the brake valve may dislodge after the pedal is fully depressed, and rapidly released (side slip foot brake release). If the plunger in the brake pedal assembly dislodges, the driver may be unable to apply the service brakes, which may increase the risk of a crash.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.