{"nhtsa_id":10181594,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-26","date":"2020-09-03","document_id":"08-078-20","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the latest available software. Customers or technicians may experience a Malfunction Indicator Lamp (MIL) illumination after a battery disconnect. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set along with a notification in the instrument panel cluster ?Service Air Suspension? after a battery disconnected and reconnect event.U0422-00 - Implausible Data Received From Body Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181594-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181594-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181594","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":["U0422"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_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":[]}