2023 Kenworth K270 TSBs
15 Technical Service Bulletins across 6 categories
Electrical
6 bulletinsSoftware updates are available for certain Peterbilt Model 220 BEVs that experience battery pack cell imbalances.
A photo of the two ring terminals and a caution statement have been added to the Dana Cradle Harness Removal and Installation Procedure.
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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.
"Safety Recall 25KWD: K270E/K370E Battery Electric Vehicle (BEV) Dana Cradle Harness Connector Safety Recall Parts and procedures are now available.
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Interim SIR bulletin flagging in the PACCAR Registration and Warranty System has now been replaced with the campaign number. Refer to Bulletin 99-048 for details. The chassis affected population has increased."
On certain Kenworth K270E/K370E Battery Electric Vehicles (BEVs), timer 2 for the HED Telematic device may malfunction inside the cab harness.
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Due to this malfunction, the fuse for the telematic device is being triggered.
K270E/K370E Battery Electric Vehicles (BEV) rely on 12V batteries that act as a buffer when the converter cannot meet...
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peak 12V demand causing additional stress to the batteries. This can lead to depleted 12V batteries.
Info Only Dealers/body builders installing liftgates onto K270E/K370E BEV trucks must use 24-volt liftgate systems.
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12-volt liftgate systems are not compatible with vehicle electrical systems.
Other
3 bulletinsOne additional chassis has been added to the chassis list.
"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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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."
On certain Kenworth K270/K370 chassis equipped with Dana SPL100 drivelines, the driveline tube seam weld may separate or...
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tear under certain stress loads, resulting in driveline separation and sudden loss of drive power, which in turn may increase the risk of a crash. Repair parts and repair procedure are now available.
Software & Calibration
3 bulletinsThe bulletin has been updated to include vehicles equipped with 141 kWh batteries.
Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis have updated...
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Greenhouse Gas (GHG) labels available for installation.
Safety Equipment, Personal Protective Equipment, and Tools have been extensively updated.
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Due to differences in suppliers and part numbers between the U.S. and Canada, separate lists for the U.S. and Canadian markets have been created to more effectively separate tool requirements and avoid confusion.
Pre-Delivery & Maintenance
1 bulletinAdditional US chassis have been added, along with additional Canadian chassis under identical safety recall 26PACB.
Hybrid & EV
1 bulletinCertain Model 220, K270, and K370 BEV chassis are broadcasting incorrect VINs to PACCAR Solutions.
Engine
1 bulletinInfo Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with...
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Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.