2026 Buick Envista Technical Service Bulletins

91 technical service bulletins (TSBs) are on record for the 2026 Buick Envista. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038741Oct 22, 2026Other or unknown. PI provides information on how to obtain a restricted radio
• 11038136Sep 28, 2026Other or unknown. 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.
• 11038132Sep 28, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11037555Sep 26, 2026Other or unknown. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
• 11037320Sep 10, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11037253Sep 4, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11037252Sep 4, 2026Other or unknown. This Preliminary Information provides the dealer information of the location of the rear seat child anchors.
• 11036690Aug 27, 2026Other or unknown. 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
• 11036392Aug 20, 2026Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11036399Aug 19, 2026Other or unknown. This Preliminary information communicates to the technician the repairs direction for addressing a customer concern of no airflow from dash vents when using air conditioning after an extended drive time.
• 11036214Aug 11, 2026Other or unknown. This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger replacement is necessary. The turbocharger part number will be placed on order restriction and the technician will have to contact GM Technical Assistance to verify the turbocharge is at fault and needed. GM Technical Assistance will verify the turbocharger is needed and then order it for the dealer.
• 11035349Jul 23, 2026Other or unknown. This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.
• 11035340Jul 21, 2026Other or unknown. PI to help diagnose A/C concern
• 11034769Jun 23, 2026Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 11033998Jun 10, 2026Other or unknown. This document is a technical bulletin regarding CarPlay issues in certain Buick and Chevrolet models. It details the problem, cause, and current status of the software anomaly affecting CarPlay connectivity.
• 11033721Jun 5, 2026Other or unknown. This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.
• 11033749Jun 3, 2026Other or unknown. This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger replacement is necessary. The turbocharger part number will be placed on order restriction and the technician will have to contact GM Technical Assistance to verify the turbocharge is at fault and needed. GM Technical Assistance will verify the turbocharger is needed and then order it for the dealer.
• 11033726Jun 3, 2026Other or unknown. 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…
• 11033187May 29, 2026Other or unknown. PI provides information on how to obtain a restricted radio
• 11032784May 14, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032767May 11, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032764May 11, 2026Other or unknown. Pi created to provide GM dealers with information on gathering information for projection issue
• 11032763May 11, 2026Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11032624May 8, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11032560Apr 30, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032559Apr 30, 2026Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11032556Apr 28, 2026Other or unknown. PI provides information on how to obtain a restricted radio
• 11032553Apr 27, 2026Other or unknown. This document is a technical bulletin regarding CarPlay issues in certain Buick and Chevrolet models.
• 11031745Apr 23, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11031711Apr 21, 2026Other or unknown. PI provides information on how to obtain a restricted radio
• 11031514Apr 14, 2026Other or unknown. 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…
• 11030974Apr 1, 2026Other or unknown. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
• 11030970Mar 30, 2026Other or unknown. This bulletin communicates to a dealer the repair direction that should be taken if they encounter a vibration from the engine when the vehicle is parked facing downhill.
• 11030092Mar 9, 2026Other or unknown. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
• 11030091Mar 9, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11029954Mar 5, 2026Other or unknown. PI provides information on how to obtain a restricted radio
• 11029949Mar 5, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11029264Mar 3, 2026Other or unknown. The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters. The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.
• 11029950Mar 2, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
• 11029255Feb 26, 2026Other or unknown. This PI gives the dealer direction on a 6t40 with harsh garage shift and to inspect a solenoid screen for damage from an over traveled solenoid.
• 11028862Feb 13, 2026Other or unknown. This PI gives the dealer direction on a 6t40 with harsh garage shift and to inspect a solenoid screen for damage from an over traveled solenoid.
• 11028657Feb 9, 2026Fuel system. Service Update. On certain vehicles listed above, under certain driving conditions and due to differences in flow rate characteristics, the fuel injectors may not be able to properly optimize engine fueling. Dealers will reprogram the engine control module.
• 11028705Feb 4, 2026Other or unknown. This PI gives the dealer direction on a 6t40 with harsh garage shift and to inspect a solenoid screen for damage from an over traveled solenoid.
• 11027827Jan 28, 2026Fuel system. Service Update. On certain vehicles listed above, under certain driving conditions and due to differences in flow rate characteristics, the fuel injectors may not be able to properly optimize engine fueling. Dealers will reprogram the engine control module.
• 11027867Jan 22, 2026Other or unknown. This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
• 11027697Jan 16, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11027701Jan 14, 2026Other or unknown. This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
• 11027700Jan 12, 2026Other or unknown. This PI gives the dealer direction on a 6t40 with harsh garage shift and to inspect a solenoid screen for damage from an over traveled solenoid.
• 11027686Jan 12, 2026Other or unknown. 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.
• 11027612Jan 8, 2026Other or unknown. This document is a technical bulletin regarding CarPlay issues in certain Buick and Chevrolet models.

← All problems reported for the 2026 Buick Envista