{"nhtsa_id":10188634,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-15","date":"2013-04-04","document_id":"08-022-13","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM; SUSPENSION","mfr_system":null,"summary":"This bulletin involves reprogramming the Air Suspension Control Module (ASCM) with updated software. The customer may experience a rough ride when driving at a constant speed above 62 mph, Aero mode. The updated software will change the ride height in Aero mode from -27mm to -15mm.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10188634-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10188634-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10188634","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_ram_1500"]}],"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":[]}