# 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 bulletins from NHTSA, as of 2026-10-19.

- [PIT6457C](/bulletins/11038136.md), 2026-10-05, 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.
- [PIC6540K](/bulletins/11038132.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
- [PIT6368E](/bulletins/11037797.md), 2026-10-02, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
- [PIT5698F](/bulletins/11037555.md), 2026-09-30, Service bulletin: UNKNOWN OR OTHER. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- [PIT6426C](/bulletins/11037446.md), 2026-09-22, Service bulletin: UNKNOWN OR OTHER. If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
- [PIC6629F](/bulletins/11037320.md), 2026-09-16, 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
- [PIT6544](/bulletins/11037256.md), 2026-09-10, Service bulletin: UNKNOWN OR OTHER. This preliminary information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be updated.
- [PIP4902W](/bulletins/11037253.md), 2026-09-10, Service bulletin: UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- [PIT6541](/bulletins/11036690.md), 2026-09-02, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor \#2 and how to restore communication
- [PIT6516C](/bulletins/11036689.md), 2026-09-02, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.
- [662.20](/bulletins/11036484.md), 2026-08-31, Over\-the\-air update: UNKNOWN OR OTHER. • Updates to enable memory seat buttons to be linked to a user profile. Up to two user profiles can be linked to your vehicle's memory seat buttons. • Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically begin recording if your vehicle's alarm is triggered while it is parked. • Cabin Glance, a new feature that displays a live feed of the seating area on your infotainment screen. This allows you to check on passengers, such as kids or pets. • Improvements to system responsiveness • Improvements to camera image clarity • Fixes to prevent blank screens and audio drop\-outs • Improvements to vehicle software update installation
- [662.30](/bulletins/11036482.md), 2026-08-31, Over\-the\-air update: UNKNOWN OR OTHER. • Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics • Improves traction and stability control when accelerating or on uneven terrain • Improves braking and stopping performance on low\-traction surfaces • Improves the performance of assisted braking • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One\-Pedal Driving performance • Additional protection for battery health and prevention for battery drain • Improved accuracy for driver display messages • Better performance and reliability of wireless phone charging
- [PIC6551C](/bulletins/11036392.md), 2026-08-27, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
- [PIT6533A](/bulletins/11036222.md), 2026-08-17, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.
- [PIC6658](/bulletins/11036197.md), 2026-08-14, Service bulletin: UNKNOWN OR OTHER. This preliminary information informs customers and technicians of the short term work around to restore the proper Themes operation. No parts should be replaced at this time.
- [PIT6368D](/bulletins/11036195.md), 2026-08-14, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
- [PIT6512A](/bulletins/11036194.md), 2026-08-14, Service bulletin: UNKNOWN OR OTHER. This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
- [PIT6517C](/bulletins/11035710.md), 2026-08-05, Service bulletin: UNKNOWN OR OTHER. This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
- [PIT5099J](/bulletins/11035340.md), 2026-07-29, Service bulletin: UNKNOWN OR OTHER. PI to help diagnose A/C concern
- [PIP6021D](/bulletins/11035130.md), 2026-07-21, Service bulletin: UNKNOWN OR OTHER. This Preliminary Information communicates that, under certain conditions, a MIL \(Malfunction Indicator Lamp\) illumination or a "Service High Voltage" message may display on the IPC \(Instrument Panel Cluster\), and the 12V battery may experience discharge.
- [N25\-252332](/bulletins/11035025.md), 2026-07-15, Over\-the\-air update: UNKNOWN OR OTHER. Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi\-Fi, Navigation, and Super Cruise.
- [PIT5966F](/bulletins/11034769.md), 2026-07-07, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
- [661.30](/bulletins/11034049.md), 2026-06-25, Over\-the\-air update: UNKNOWN OR OTHER. • Improvements to high voltage battery diagnostics • Improvements to transmission diagnostics used for shifting • Fixes to protect EV adaptor from overheating while charging
- [PIP6021C](/bulletins/11034023.md), 2026-06-22, Service bulletin: UNKNOWN OR OTHER. This Preliminary Information communicates that, under certain conditions, a MIL \(Malfunction Indicator Lamp\) illumination or a "Service High Voltage" message may display on the IPC \(Instrument Panel Cluster\), and the 12V battery may experience discharge.
- [PIP6103C](/bulletins/11033999.md), 2026-06-18, Service bulletin: UNKNOWN OR OTHER. This PI explains that the T18, Battery charger drive power distribution control modules are on parts restriction thru TAC.

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