{"nhtsa_id":10131381,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-02","date":"2018-02-08","document_id":"HTB2018-01.18","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"Due to an error in the Cooltech AC system Data Panel condenser fan controller firmware regarding freon sensor fault points, there is a possibility that below freezing temperatures could cause false AC system fault warning messages. Recommending vehicles fitted with Data Panel fan controllers built prior to 01/15/2018 and having firmware revision 010E or earlier, update Data Panel controller firmware revision to Rev F (015). There is no safety concern related to this bulletin, Ac system will continue normal operation if fault is displayed. All Models fitted with Data Panel CoolTech AC system condenser fan controller.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10131381-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10131381-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10131381","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HORTON AMBULANCE","model":"403","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"453","year_from":2013,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"457","year_from":2013,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"503","year_from":2013,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"553","year_from":2013,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"603","year_from":2013,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"623","year_from":2013,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"CCO","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"HORTON AMBULANCE","model":"CHANGE OVER","year_from":2013,"year_to":2016,"match":null,"vehicle_ids":[]}],"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":[]}