WenmarOpen by Wenmar Pro

Service bulletins for the 2017 Buick Envision

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.

1047 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
PIT5099G2023-12-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIP5540J2023-01-30. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIT5099F2022-07-25. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
12-01-37-001F2022-07-12. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
17-NA-2932021-04-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Rear Air Conditioning Inoperative, Blowing Warm Air Condition Some customers may comment that the 2nd row / rear HVAC blows warm air when air conditioning is commanded Cause - This condition may be caused by the auxiliary temperature valve, internal to the A/C distributor case, being fractured. Note: The technician may find the pivot for the temperature valve has pulled away from the actuator motor (2). Verify if the temperature valve is working properly: • If it has been validated that the rear A/C does blow warm, replace the A/C distributor case. • If the temperature valve has been found to be working correctly, refer to SI for further diagnostics.
PIT57602020-08-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This preliminary information discusses the possibility of connectors being swapped during service and causing incorrect air delivery from the right side HVAC vents.
PIT5099E2020-08-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
17NA1862020-03-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Technical bulletin provides a procedure to replace the radio to correct radio personalization settings on the infotainment display and a blank HVAC pop-up selecting HVAC Control settings.
17NA2932019-07-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This technical bulletin provides a procedure to replace the AC distributor case if the rear air blows warm when the AC is selected.
PIT5099D2018-11-13. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT5099C2018-08-06. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT55812018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This preliminary information advises the technician to inspect for a broken temperature door versus replacing the temperature actuator and resulting in a misdiagnosis.
17NA2932018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This technical bulletin provides a procedure to replace the AC distributor case if the rear air blows warm when the AC is selected.
PIC6218A2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that when adjusting the Heater-Vent-Air Conditioning controls the Heater-Vent-Air Conditioning display is blank and/or various selections missing from radio Settings menu intermittently. Technicians will find the Heater-Vent-Air Conditioning does change but the lower radio display is blank. Technician will need to update the radio using Service Programming System with the latest software.
PIC6218B2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that when adjusting the Heater-Vent-Air Conditioning controls the Heater-Vent-Air Conditioning display is blank and/or various selections missing from radio Settings menu intermittently. Technicians will find the Heater-Vent-Air Conditioning does change but the lower radio display is blank. Technician will need to update the radio using Service Programming System with the latest software.
PIC62182017-05-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT WHEN ADJUSTING THE HEATER-VENT-AIR CONDITIONING CONTROLS THE HEATER-VENT-AIR CONDITIONING DISPLAY IS BLANK. TECHNICIAN WILL FIND THE HEATER-VENT-AIR CONDITIONING DOES CHANGE BUT THE LOWER RADIO DISPLAY IS BLANK. TECHNICIAN WILL NEED TO UPDATE THE RADIO USING SERVICE PROGRAMMING SYSTEM WITH THE LATEST SOFTWARE.

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