{"nhtsa_id":11020579,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-09","date":"2025-07-03","document_id":"A25-028","mfr_campaign":null,"replaces":null,"component":"VISIBILITY/WIPER","mfr_system":null,"summary":"Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on). While driving, the heat may begin to blow cold air and the blower speed may drop intermittently. Possible DTC codes P0530 (Air Conditioning Refrigerant Pressure Sensor Circuit) and P0534 (Air Conditioning Refrigerant Charge Low) may be set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020579-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020579-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11020579","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"wiper","name":"Wipers and washers","parent":"visibility"}],"codes":["P0530","P0534"],"topics":[],"vehicles":[{"make":"HONDA","model":"PROLOGUE","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_honda_prologue"]}],"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":[]}