There have been 2 technical service bulletins issued for the 2021 Peterbilt 548.
| Bulletin Date: | Jun. 10, 2022 |
| Component: | Structure. |
| Bulletin Summary: | Info only - chassis equipped with a flush mounted battery box between the frame rails, and containing 3 batteries, may experience battery movement on the side where the single battery resides. This bulletin contains a procedure to fabricate |
| Vehicles covered in this TSB: |
2021 Peterbilt 348,
2021 Peterbilt 365,
2022 Peterbilt 365,
2021 Peterbilt 367,
2022 Peterbilt 367,
2021 Peterbilt 389,
2022 Peterbilt 389,
2021 Peterbilt 548,
2022 Peterbilt 548,
2021 Peterbilt 567,
2022 Peterbilt 567,
2021 Peterbilt 579,
2022 Peterbilt 579.
|
| Bulletin Date: | Jun. 10, 2022 |
| Component: | Electrical system. |
| Bulletin Summary: | Info only - chassis equipped with a flush mounted battery box between the frame rails, and containing 3 batteries, may experience battery movement on the side where the single battery resides. This bulletin contains a procedure to fabricate |
| Vehicles covered in this TSB: |
2021 Peterbilt 348,
2021 Peterbilt 365,
2022 Peterbilt 365,
2021 Peterbilt 367,
2022 Peterbilt 367,
2021 Peterbilt 389,
2022 Peterbilt 389,
2021 Peterbilt 548,
2022 Peterbilt 548,
2021 Peterbilt 567,
2022 Peterbilt 567,
2021 Peterbilt 579,
2022 Peterbilt 579.
|
| Bulletin Date: | Sep. 21, 2021 |
| Component: | Diesel fuel system. |
| Bulletin Summary: | Fix-as-fail ? due to undersupply issues, only a limited supply of diesel exhaust fluid (def) sensors are available. As a temporary solution, after paccar confirms a def sensor is not available, a temporary software update will allow a veh |
| Vehicles covered in this TSB: |
2016 Kenworth 963,
2016 Kenworth C500,
2017 Kenworth C500,
2018 Kenworth C500,
2019 Kenworth C500,
2016 Kenworth C540,
2016 Kenworth C550,
2016 Kenworth K170,
2016 Kenworth K270,
2017 Kenworth K270,
2018 Kenworth K270,
2016 Kenworth K300,
2016 Kenworth K370,
2017 Kenworth K370,
2018 Kenworth K370,
|