There have been 8 technical service bulletins issued for the 2020 Oshkosh S-series.
| Bulletin Date: | Apr. 13, 2022 |
| Component: | Electrical system. |
| Bulletin Summary: | The following procedure provides instruction for fleet managers to access their vehicle system to: set the fleet password. Unlock delivery mode. (the fleet password must be entered to unlock delivery mode) begin a lsta calibration. (if l |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series,
2021 Oshkosh S-series,
2022 Oshkosh S-series.
|
| Bulletin Date: | Jan. 26, 2022 |
| Component: | Owners/service manual. |
| Bulletin Summary: | The following procedure provides instruction for fleet managers to access their vehicle system change parameters. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series,
2021 Oshkosh S-series,
2022 Oshkosh S-series.
|
| Bulletin Date: | Jan. 26, 2022 |
| Component: | Electrical system. |
| Bulletin Summary: | The following procedure provides instruction for fleet managers to access their vehicle system change parameters. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series,
2021 Oshkosh S-series,
2022 Oshkosh S-series.
|
| Bulletin Date: | Jan. 26, 2022 |
| Component: | Owners/service manual. |
| Bulletin Summary: | The following procedure provides instruction for fleet managers to access their vehicle system to change parameters. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series,
2021 Oshkosh S-series,
2022 Oshkosh S-series.
|
| Bulletin Date: | Jan. 26, 2022 |
| Component: | Electrical system. |
| Bulletin Summary: | The following procedure provides instruction for fleet managers to access their vehicle system to change parameters. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series,
2021 Oshkosh S-series,
2022 Oshkosh S-series.
|
| Bulletin Date: | Dec. 17, 2020 |
| Component: | Steering. |
| Bulletin Summary: | This bulletin provides instruction to update the hydraulic steering system by adding an external pressure relief valve. Field reports of failed steering pump seals led to testing that determined internal recirculation of hot oil was the CA |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series.
|
| Bulletin Date: | Dec. 1, 2020 |
| Component: | Electrical system. |
| Bulletin Summary: | This bulletin provides instruction to correct an installation error that may damage the battery box power distribution fuses, and updates the fuse identification label. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series.
|
| Bulletin Date: | Dec. 1, 2020 |
| Component: | Power train. |
| Bulletin Summary: | This bulletin provides instruction to correct an installation error that may damage the battery box power distribution fuses, and updates the fuse identification label. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series.
|
| Bulletin Date: | Oct. 27, 2020 |
| Component: | Engine and engine cooling:engine:oil/lubrication:seals. |
| Bulletin Summary: | This bulletin provides instruction and information on required vehicle hydraulic system updates that address performance deficiencies in the vehicle?s hydraulic system. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series.
|
| Bulletin Date: | Jun. 18, 2020 |
| Component: | Equipment. |
| Bulletin Summary: | Oshkosh engineering has identified a chute speed inconsistency on some 2020 model year s-series front discharge mixers. Affected trucks will have chute speeds that are faster in one direction and slower in the other direction. Chute left/ri |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series.
|
| Bulletin Date: | Jun. 1, 2020 |
| Component: | Equipment. |
| Bulletin Summary: | Fleet manager system access instructions for configurable settings. |
| Vehicles covered in this TSB: |
2020 Oshkosh S-series.
|