Service bulletins for the 2023 Toyota bZ4X
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.
162 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with topic: maintenance are shown. Show all
| T-SB-0019-23 | 2023-05-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). TSB: Some 2023 model year bZ4X vehicles may exhibit a condition in which the maintenance reminder messages (Figure 1) do not display on the multi-information display (MID) in the combination meter at scheduled maintenance intervals. The combination meter ECU has been updated to address this condition. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.