2020 Kenworth T480: common problems
The maker issued 7 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 7
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 0 | 0 | 2 |
| Service brakes | 0 | 0 | 2 |
| Electrical system | 0 | 0 | 1 |
| Fuel/propulsion system | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Comparison
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- "Kenworth
Dealers should check the chassis list and SIR weekly for VIN changes. 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…
- Troubleshooting procedures for 2.1m cab power windows are now available
- Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values
- Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1…
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.
- Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis…
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.
- 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…
- Safety Recall Interim Notification Certain T280/T380/T480 chassis built with 2.1m Medium Duty End of Frame…
Safety Recall Interim Notification Certain T280/T380/T480 chassis built with 2.1m Medium Duty End of Frame Trailer Connections may not meet the standard trailer brake release timing requirements by 0.5 seconds. A delay…
Other years of this model
Questions and answers
What are the most common problems with the 2020 Kenworth T480?
There are no owner complaints in the NHTSA data for this year; the data comes from 7 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Kenworth T480?
NHTSA lists 7 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Kenworth T480 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.