| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| 11-001 | PETERBILT | 567 | 2021 | Information only: Hendrickson Softek front axle maintenance intervals and requirements.<br /> |
| 36-005 | PETERBILT | 567 | 2021 | Information Only - Driver Performance Assistance (DPA) Coasting and Braking Scores Not Incrementing, Stays at 50%. The average score will never change |
| 34-086 | PETERBILT | 567 | 2021 | Fix as Fail: Peterbilt has determined in model 567 and 579 vehicles built after 2011, the door harnesses may fail due to repeated door open and close |
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