{"nhtsa_id":10160041,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-12","document_id":"17-002-15","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"Air Suspension Compressor Inoperative This bulletin involves replacing the Air Suspension Compressor Assembly. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find the following Diagnostic Trouble Code may have been set: ? C1556-14-Ride Height Air Pressure Sensor - Circuit Short To Ground Or Open In addition to the DTC listed above, customers may also experience one or more of the following conditions: ? Auto Level Rear Air Suspension does not operate.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160041-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160041-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160041","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":["C1556"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_ram_2500","2015_ram_2500"]},{"make":"RAM","model":"3500","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_ram_3500","2015_ram_3500"]}],"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":[]}