{"nhtsa_id":10221054,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2014-12-09","document_id":"1805014REVA","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; SUSPENSION","mfr_system":null,"summary":"Flash: Drone or Vibration Present During MDS Operation This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. New PCM software is being released to address a customer?s concern of a drone or vibration type condition while driving at highway speeds during MDS (Multiple Displacement System) operation.In addition, the following powertrain system improvements/enhancements are also included in this software release: Improved Electronic Voltage Regulator control to more precisely maintain system voltage. Enhanced Automatic Oil Change Indicator(EAOCI) system improvements to switch to a severe duty cycle algorithm anytime the PCM is replaced to ensure the customer receives a timely oil change required message. (Only applies to vehicles using a block heater in ambient temperatures greater than -20°F(-29°C)).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10221054-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10221054-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221054","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"RAM 1500","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_dodge_ram","2011_dodge_ram","2012_dodge_ram"]},{"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":[]}