Service bulletins for the 2023 Tesla Semi
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.
5 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| SB-25-39-001 | 2025-08-05. Service bulletin. POWER TRAIN. Updated oil pumps that provide improved oil flow are available for the Torque Drive Unit (TDU) and Efficiency Drive Unit (EDU) on Semi. Replace the TDU and EDU oil pumps with updated parts. |
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| SB-25-39-001 | 2025-06-02. Service bulletin. POWER TRAIN. Updated oil pumps that provide improved oil flow are available for the Torque Drive Unit (TDU) and Efficiency Drive Unit (EDU) on Semi. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.