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Service bulletins for the 2017 Chevrolet Express

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.

1184 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

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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.
16-NA-3852021-04-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Air Conditioning Does Not Blow Cold Some customers may comment that the air conditioning does not blow cold. September 28, 2017 – Updated the model year, VIN breakpoint and notifying dealers that this is a new calibration.
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.
PIT5410B2019-12-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicle that will not change Heater-Vent-Air Conditioning modes, Defrost or RECIRC positions. Technician will need to gain access to the vacuum lines from Heater-Vent-Air Conditioning control and inspect for a pinch or a open in the line. Technician will repair the line for this concern.
16NA3852019-05-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Technical bulletin provides information for reprogramming the HVAC system control module due to the air conditioning not blowing cold because of software anomaly.
172272019-04-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 17227-Service Update. Certain vehicles may have been assembled with the heating, ventilation, and air conditioning (HVAC) air temperature door linkage disconnected. If the linkage is not connected, the temperature door could remain in a position that only provides heat to the vehicle cabin. Dealers will inspect the HVAC air temperature door operation, and reconnect linkage if necessary.
PIT5410A2018-12-17. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicle that will not change Heater-Vent-Air Conditioning modes, Defrost or RECIRC positions. Technician will need to gain access to the vacuum lines from Heater-Vent-Air Conditioning control and inspect for a pinch or a open in the line. Technician will repair the line for this concern.
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.
16-NA-3852018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Technical bulletin provides information for reprogramming the HVAC system control module due to the air conditioning not blowing cold because of software anomaly.
16NA3852018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. This Technical bulletin provides information for reprogramming the HVAC system control module due to the air conditioning not blowing cold because of software anomaly.

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