| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| N202313620 | CADILLAC | CT4 | 2020 | Service Update. On vehicles equipped with a 2.7L turbo engine (RPO L3B), the incorrect 450T badge was applied to the decklid. Dealers are to remove |
| 20NA174 | CADILLAC | CT4 | 2020 | This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated With DTC P037C.<br / |
| 20NA045 | CADILLAC | CT4 | 2020 | This informational bulletin provides information on how to properly clean the wheel with the condition of Black Sealant Material Visible on Wheel Edge |
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