Service bulletins for the 2023 Cadillac Lyriq

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.

735 on file from NHTSA, as of 2026-10-19.

About P0534 on the 2023 Cadillac Lyriq: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0534 are shown. Show all

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.

• Trims and engines for the 2023 Cadillac Lyriq
• Recalls that may apply to the 2023 Cadillac Lyriq
• Bulletins for another vehicle
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