{"nhtsa_id":10190499,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-19","date":"2017-10-01","document_id":"PIE-0434A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"Engineering Information – A/C Blows Warm After Driving, Blows Warm Intermittently or Inoperative Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment that the A/C blows warm after driving, blows warm intermittently or A/C is inoperative. Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to \"root cause\" the customer's concern and develop/validate a field fix. Correction If you encounter a vehicle with the above concern, gather the following information and contact one of the engineers listed below: • Pressure readings on high and low side. • The ambient temperature when the customer experienced the condition. • Customer operating condition. • Service bay ambient temperature. • Evaporator Temperature and Target from MDI. • The model of the recovery machine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190499-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190499-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190499","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chevrolet_colorado"]},{"make":"GMC","model":"CANYON","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_gmc_canyon"]}],"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":[]}