{"nhtsa_id":10164998,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-18","date":"2019-08-22","document_id":"TSB 548","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"The Newmar Engineering Department discovered that HWH changed the step programming for 2020 coaches, causing the curb sensor not to function as originally designed. The new replacement version (A59650-4) will stop the auto level function any time the curb sensor activates after the two-second delay. If the engine is running, the auto level function will stop and air up the coach’s air bags when the curb sensor is activated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164998-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164998-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10164998","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NEWMAR","model":"ESSEX","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"NEWMAR","model":"KING AIRE","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"NEWMAR","model":"LONDON AIRE","year_from":2020,"year_to":2020,"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":[]}