{"nhtsa_id":10190243,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-14","date":"2017-10-01","document_id":"17-NA-293","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190243-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190243-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190243","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENVISION","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_buick_envision","2017_buick_envision"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}