Service bulletins for the 2021 Xos SA01
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
2 on file from NHTSA, as of 2026-10-19.
By type
By component
| TSB 007-24 | 2024-06-19. Service bulletin. SERVICE BRAKES. In the event that the Xos stepvan produces a repeatable, loud growling noise during driving, coasting or braking from the driveline, please follow this instruction to replace the motor mounts and center the electronic parking brake (“EPB”) rotor. |
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| TSB 004-24 | 2024-03-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER. In the event that any of the 2021-2022 Xos Step Vans show signs of corrosion on the connections in the DC-DC converter box, please refer to the following service instructions. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.