Service bulletins for the 2023 Cadillac CT4
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.
554 on file from NHTSA, as of 2026-10-19.
About P0747 on the 2023 Cadillac CT4: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P0747 are shown. Show all
| 24-NA-088 | 2024-10-25. Service bulletin. POWER TRAIN. This service bulletin provides diagnostic information for technicians on possible replacement of transmission control valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set. |
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| 24-NA-088 | 2024-06-18. Service bulletin. POWER TRAIN. This service bulletin provides diagnostic information for technicians on possible replacement of transmission control valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set. |
| 24-NA-088 | 2024-06-18. Service bulletin. POWER TRAIN. This service bulletin provides diagnostic information for technicians on possible replacement of transmission control valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.