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Service bulletins for the 2026 Chevrolet Suburban

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.

203 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
PIT65032026-04-23. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT6493A2026-04-23. Service bulletin. UNKNOWN OR OTHER. This PI communicates information on isolating a wind noise from the driver front door.
N2525215912026-04-10. Service bulletin. UNKNOWN OR OTHER. This message is to inform dealers that Service Update bulletin N252521591, is being temporarily suspended for the models above equipped with RPO UKL or UK0. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause.
PIT6288F2026-04-07. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
PIT3271Q2026-04-07. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
661.202026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Fixes to reduce activations of Automatic Emergency Braking Disabled light. • Improvements to availability for Lane Keep Assist. • Fixes to help ensure proper functionality for Brake Assist. • Fixes for active cabin ventilation. • Improvements to the performance of vehicle software updates. • Fixes to help ensure successful vehicle software updates.
661.102026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts.
PIT6368C2026-03-31. 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.
PIT6110J2026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIP61042026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP4902V2026-03-17. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
N252521591-042026-03-11. Service bulletin. 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.
PIT6393J2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIT64932026-03-11. Service bulletin. UNKNOWN OR OTHER. This PI communicates information on isolating a wind noise from the driver front door.
PIT6394E2026-03-11. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
PIT6425D2026-03-11. 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'ss
PIC6629C2026-03-11. 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
PIT6394D2026-03-03. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
PIT64902026-03-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that Engineering is working on a resolution and no parts should be replaced at this time.
PIT6415A2026-02-23. Service bulletin. UNKNOWN OR OTHER. PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
PIT6300B2026-02-23. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine.
PIT6456D2026-02-23. 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.
PIT6477B2026-02-23. Service bulletin. UNKNOWN OR OTHER. This preliminary PI was created to advise technians 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
PIT64842026-02-18. Service bulletin. UNKNOWN OR OTHER. This PI identifies an issue where a loose Body Control module ground on the A pillar could cause various electrical issues related to the hood latch or a door latch
N252521591-032026-02-11. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.