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Service bulletins for the 2021 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.

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

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Only bulletins with type: Emissions are shown. Show all

Bulletins, newest first
N252516900-012026-02-19. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N2525169002026-02-05. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs moved to Open status.
N2525169002026-01-29. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs Moved to ‘Open’ Status
N2525169002026-01-15. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. Fuel Pump Power Control Module. Additional VINs Moved to ‘Open’ Status
N2525169002025-12-17. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs moved to Open status.
N2525169002025-10-09. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. Population Expansion.
N2525169002025-10-03. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. Fuel Pump Power Control Module.
N2525169002025-09-11. Emissions. FUEL/PROPULSION SYSTEM. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.

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