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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

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
TSB 004-242024-03-07. 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.