Service bulletins for the 2019 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.
832 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Wiring and fuses are shown. Show all
| PIP5660 | 2019-08-12. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING. This Preliminary information communicates the possibility of a reduced power message with dtc p2101 and/or p1516 due to potential throttle body issue. |
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| 100089005H | 2019-03-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
| PIP5625 | 2019-03-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of dtc P0238 setting after service work due to the Turbocharger Air Pressure Sensor wiring connector and AC Refrigerant wiring connectors be swapped accidently diring reassembly of the engine wiring harness. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.