{"nhtsa_id":11014300,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-18","date":"2025-02-13","document_id":"PIT6290A","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This Preliminary information communicates a vehicle may be encountered with a concern of heat blowing cold at times, a whistling noise and P0534. Any or all of these conditions may be noted by a technician or customer. The dealer technician is directed to test the temperature at the condenser check valve, inspect the valve and inspect the line for a possible issue with the opening in the line. A procedure is given to modify the line if needed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014300-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014300-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014300","components":[],"codes":["P0534"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"BLAZER EV","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_chevrolet_blazer","2025_chevrolet_blazer"]}],"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":[]}