{"nhtsa_id":10242840,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-25","date":"2023-07-29","document_id":"2400823","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates Customers may experience one or more of the following HVAC A/C cool down concerns: ? Insufficient A/C performance for both the first and second row comfort. ? Poor heated/vented seat performance This bulletin involves reprogramming the HVAC with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10242840-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10242840-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10242840","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_wagoneer"]}],"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":[]}