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Service bulletins for the 2020 Cadillac XT4

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.

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

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Only bulletins with component: Brake fluid are shown. Show all

Bulletins, newest first
PIE0564A2021-03-08. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC:FLUID. This engineering information (EI) bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a brake fluid leak being detected with DTC C2A22 Symptom 00 Set.

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