Service bulletins for the 2026 Cadillac CT5
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.
112 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with type: Service campaign are shown. Show all
| N262573420 | 2026-10-08. Service campaign. SUSPENSION. Certain vehicles, equipped with the Precision Package, may be missing the supplementary performance toe links that were to be delivered in the vehicle’s trunk. Customers will be instructed to contact dealers to order the missing toe-link assemblies. |
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| N262568830 | 2026-08-04. Service campaign. ENGINE. Certain vehicles listed above may have a condition in which the oil filter was not adequately tightened. Dealers are to check and tighten the oil filter if found to be loose. |
| N262547330 | 2026-05-27. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates. |
| N262547330-01 | 2026-05-08. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates. |
| N262547330 | 2026-04-17. Service campaign. UNKNOWN OR OTHER. Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates. |
| N252521591-03 | 2026-02-11. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will re-program the IPM or Front View Camera depending on what the vehicle is equipped with. |
| N252521591-02 | 2026-02-10. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will reprogram the Image Processing Module. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.