Service bulletins for the 2026 Cadillac Vistiq
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.
195 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| PIP6099A | 2026-02-01. Service bulletin. UNKNOWN OR OTHER. This P/I is advising that the TCM should not be replaced for DTC P16F4 and to follow the repair instructions. |
|---|---|
| PIT6478 | 2026-02-01. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the field about a normal condition about a message that appears when using a NFC card to start the vehicle when a key fob or a digital key device is not present. |
| PIC6639 | 2026-02-01. Service bulletin. UNKNOWN OR OTHER. This PI details a possible issue with the heads up display being inop, due to a possible software anomaly. |
| PIT6456B | 2026-02-01. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle. |
| 654.21 | 2026-02-01. Over-the-air update. UNKNOWN OR OTHER. • Improvements to help protect battery health in low temperatures. • Improvements to diagnostics to reduce service messages. • Fixes to help protect battery health in high temperatures. • Fixes to improve responsiveness for vehicle diagnostics. |
| PIP6099 | 2026-01-30. Service bulletin. UNKNOWN OR OTHER. This P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a TCM data pull. |
| PIT6456A | 2026-01-30. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle. |
| PIP6098 | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction. |
| PIT6425C | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's |
| PIT6457B | 2026-01-19. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced. |
| PIP4902U | 2026-01-13. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance. |
| PIC6540F | 2026-01-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. |
| PIT6393H | 2025-12-29. Service bulletin. UNKNOWN OR OTHER. "This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules." |
| PIT6445B | 2025-12-22. Service bulletin. UNKNOWN OR OTHER. This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change. |
| PIT6457A | 2025-12-15. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced. |
| PIC6629B | 2025-12-15. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display |
| PIT6393G | 2025-12-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules. |
| 25-NA-156 | 2025-12-04. Service bulletin. WHEELS. This service bulletin provides information on Tire Sidewall Irregularities. |
| PIT6462 | 2025-12-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with programming error while try to complete N252521591 and provide info on how to complete the programming. |
| PIT6456 | 2025-12-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle. |
| PIT6457 | 2025-12-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced. |
| 654.01 | 2025-12-02. Over-the-air update. UNKNOWN OR OTHER. Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. |
| PIT5214G | 2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support. |
| N252521591-01 | 2025-11-20. 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. |
| N252521591 | 2025-11-19. 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.