# Service bulletins for the 2026 Cadillac Escalade IQL 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. 135 bulletins from NHTSA, as of 2026-10-19. - [PIT6477D](/bulletins/11038139.md), 2026-10-06, Service bulletin: UNKNOWN OR OTHER. This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool - [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. - [PIT6551A](/bulletins/11038133.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating. - [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. - [663.20](/bulletins/11037769.md), 2026-10-02, Over\-the\-air update: UNKNOWN OR OTHER. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior. - [663.10](/bulletins/11037768.md), 2026-10-02, 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 • Better responsiveness for the driver display and rear\-view camera • After this update, you may need to turn your Turn Signal Activated View setting back on • Improvements to system responsiveness • Improvements to camera image clarity • Fixes to prevent blank screens and audio drop\-outs • Improvements to vehicle software update installation • 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 • Fixes to help ensure responsiveness for the driver display and rear view camera • Improvements to reliability for alerts and chimes - [663.30](/bulletins/11037767.md), 2026-10-02, Over\-the\-air update: UNKNOWN OR OTHER. • Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and messages - [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. - [PIT6551](/bulletins/11037553.md), 2026-09-29, Service bulletin: UNKNOWN OR OTHER. This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating. - [PIT6549](/bulletins/11037551.md), 2026-09-29, Service bulletin: UNKNOWN OR OTHER. This preliminary information communicates an issue with a service column lock message and DTC U3000. Engineering is working on the issue and in the meantime dealerships are to reset/clear the DTC and perform four sleep cycles to verify the DTC does not return. - [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. - [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. - [PIT6533B](/bulletins/11036715.md), 2026-09-02, 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. - [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. - [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. - [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. - [662.60](/bulletins/11035356.md), 2026-07-30, Over\-the\-air update: UNKNOWN OR OTHER. • 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 - [PIT5099J](/bulletins/11035340.md), 2026-07-29, Service bulletin: UNKNOWN OR OTHER. PI to help diagnose A/C concern - [PIP6081C](/bulletins/11035129.md), 2026-07-21, Service bulletin: UNKNOWN OR OTHER. This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE, More: [the next page](/v1/vehicles/2026_cadillac_escalade-iql/bulletins?cursor=2026-07-21_11035129) (JSON) JSON: [/v1/vehicles/2026_cadillac_escalade-iql/bulletins](/v1/vehicles/2026_cadillac_escalade-iql/bulletins) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%202026%20Cadillac%20Escalade%20IQL&page=https%3A%2F%2Fopen.wenmarpro.com%2Fmakes%2Fcadillac%2Fescalade-iql%2F2026%2Fbulletins&vehicle=2026%20Cadillac%20Escalade%20IQL)