2025 Kenworth T880 technical service bulletins
89 technical service bulletins and manufacturer communications cover the 2025 Kenworth T880, including 3 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- 24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture...
- The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector
- 32 fuel injector part numbers (16 for MX-11 and 16 for MX-13) have been added to this warranty policy.
- The new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
- There is an update to the CARB Base Emissions Warranty Limits table and Manufacturer’s Warranty Coverage...
- Eaton service bulletin TAIB-1026 instructs dealers to update the master switch module (MSM) software
- Certain chassis with Cummins X15N engines require updated engine harness relays due to the risk of water...
- Updated parts table with new dielectric grease.
- Removed hyperlinks for bulletin migration
- Certain chassis with CARB 2024 compliant MX-13 engines must have the PEU wiring harnesses updated
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
- [SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
- KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section
- KW: The chassis list has been updated to include 1 chassis
- KW: A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section
- This optional software update is expected to be available after 08/28/2026.
- PB: The chassis list has been updated to include 11 chassis
- The procedure has been updated to include additional steps for verifying the software level on the vehicle...
- When DAVIE version 26.21.2 is used to update the VECU3 to software version 3.4.46.0, the VECU3 5071...
- The verbiage in the Introduction section has been updated.
- This optional software update is expected to be available in late August 2026 for chassis equipped with...
- For Peterbilt: Chassis list has been updated to include 1 chassis
- Updated Sheppard Steering Gear Classification Tool link in Inspection Procedure
- KW -The chassis list has been updated to include 2 chassis
- An improved transmission bracket is now available for replacement on certain chassis equipped with a...
- This optional software update is expected to be available on 08/07/26 for chassis equipped with EPA 2024...
- An optional software update is expected to be available on or after 07/31/26 for chassis equipped with EPA...
- This optional software update is now available for chassis equipped with EMY 2021B-2023 PACCAR MX-11 and...
- Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson...
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to...
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to...
- The software is not yet available
- Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY...
- Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY...
- Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY...
- An optional software update will be available on 07/06/2026 for chassis equipped with EMY 2021B-2023PACCAR...
- Kw & pb
- The currently published HD BEV Chassis with PACCAR EPowertrain Service (Built After 1/14/2026)...
- The repair procedure has been updated to include diagnostic steps.
- The attachment for Eaton bulletin TAIB-1015 has been updated to the latest version to improve process flow.
- KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The...
- Updated primary and/or secondary chassis modules for certain pre-production Kenworth chassis are now...
- KW: A Transmission Control Module (TCM) software update is now available for certain T280, T380, T480,...
- KW: A Transmission Control Module (TCM) software update is now available for certain T680, T880, and W990...
- There is an update to the CARB Base Emissions Warranty Limits table and Manufacturer’s Warranty Coverage...
- Troubleshooting procedures for 2.1m cab power windows are now available.
- (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.
- Procedures have been updated to include additional truck models in the service intervals table.
- Certain EPA21 PACCAR MX engines are equipped with PHINIA fuel injectors that do not meet PHINIA’s...
- (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation
- The attached procedures document has been updated with more detail and explanations
- Bogie Crossmember Torque Value Update
- EMY21-25 ghg
- EPA17-24 mx
- Sheppard Recall Update March 2026
- Paccar MX-13 VECU3
- Exhaust Stack Isolators
- Engine Air Filter Servicing UPDATE
- EPA17-24 MX-13
- The Parts section has been updated to clarify that freight charges for safety recall orders should not be...
- Procedure pictures updated for clarity
- Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis...
- The parts section has been updated for clarity
- Parts and procedures are now available for all affected chassis equipped with Vehicle Electronic Control...
- A transmission control module (TCM) software update is now available for certain T680 / T880 / W900 / W990...
- The 15-inch digital display in certain model year 2024–2026 Kenworth chassis may enter recovery mode (blue...
- All parts necessary to complete Phase 2 of
- Procedures are now available for Phase 1 chassis equipped with Internal Combustion Engines (ICE) and...
- A required spacer tool set is now available to streamline the injector replacement process
- EMUX retrofit procedures updated to make it clear that the VECU3 must have software updated and vehicle...
- Due to parts availability,
- Safety Recall Parts and procedures are now available
- PSB E322: EMY2024 and EMY2025 CARB MX-13 Software Update Campaign Software Update is now available
- PACCAR 20k Steer Axle Steer Arm and Tie Rod Arm Bolt Torque Interim Safety Recall Certain Kenworth model...
- Safety Recall Refer to Cummins Safety Recall (Campaign) C7083
- Paccar mx EPA24
- Psb E322: EMY2024 carb MX-13
- Safety recall
- Certain Kenworth vehicles from model year 2025 may contain steering gear(s) with a sector shaft that may...
- Safety Recall – INTERIM NOTIFICATION Parts are not currently available for this safety recall
- Safety Recall Inspection procedures are available
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