2026 Buick Enclave TSBs
140 manufacturer communications for the 2026 Buick Enclave sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2026 Enclave problem report covers complaints, recalls, and investigations.
What the bulletins cover
Warranty extensions, campaigns & software updates
Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.
Certain vehicles listed above, may have a condition where coolant leaks from the radiator hose quick connect at the radiator inlet. This special coverage covers the condition described above for a period of 5 years or 60,000 miles (100,000 km), whichever occurs first, from the…
• Improvements to system responsiveness • Improvements to camera image clarity • Fixes to prevent blank screens and audio drop-outs • Improvements to vehicle software update installation
• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
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…
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…
• Improvements to the availability of driver assistance features.
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…
Certain vehicles listed above, may have a condition where coolant leaks from the radiator hose quick connect at the radiator inlet. This special coverage covers the condition described above for a period of 5 years or 60,000 miles (100,000 km), whichever occurs first, from the…
Service Update. Certain vehicles listed above may have contamination inside the high-pressure fuel pump spill valve assembly. Dealers will replace the high pressure fuel pump.
• 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…
Service Update. Certain vehicles listed above may have a condition in which a quality issue with the engine was identified. Dealers will replace the engine.
Service Update. Certain vehicles listed above may have a condition in which a quality issue with the engine was identified. Dealers will replace the engine.
Service Update. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
• Fixes to keep selected settings for Super Cruise. • Improvements to the performance of Brake Assist. • Fixes to help ensure proper Super Cruise lane change functionality.
• Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking. • Fixes to help ensure proper functionality of Forward Collision Alert and availability of driver assistance features. • This update contains a required software change to help…
Service Update. Radio Reprogramming. Dealer Message.
Service Update. Certain vehicles listed above may not have had the production released software at launch. Dealers will reprogram the radio.
Most recent service bulletins
The 20 most recent of 140 communications on file. The complete set is searchable on NHTSA's page for this vehicle.
This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.
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:…
This document assists dealer technician's with diagnosing a MIL P0299.
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.
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.
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.
This Preliminary information communicates that a vehicle may be encountered with an SES light on and code P059F set. The technician is instructed to inspect the bracket in front of the grill shutter for being bent before replacing the shutter.
PI to help diagnose A/C concern
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
This preliminary information is to inform technicians and customers that the HUD will not retain its current settings. No parts should be replaced.
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:…
A dealer is advised to perform no repairs if U3000 SYM 92 is found. Engineering is working on a resolution
Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.
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:…
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Pi created to provide GM dealers with information on gathering information for projection issue
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.