{"vehicle":{"id":"2024_honda_prologue","year":2024,"make":"Honda","model":"Prologue"},"code":"P0534","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":11029284,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-03","date":"2026-02-24","document_id":"A25-028","mfr_campaign":null,"component":"VISIBILITY/WIPER","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/2026/MC-11029284-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029284-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029284"},{"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,"component":"VISIBILITY/WIPER","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"},{"nhtsa_id":11016454,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-03","date":"2025-03-21","document_id":"A25-028","mfr_campaign":null,"component":"VISIBILITY/WIPER","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-11016454-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016454-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016454"}],"url":"https://open.wenmarpro.com/makes/honda/prologue/2024/bulletins?code=P0534"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/honda/prologue/2024/codes/P0534","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}