{"nhtsa_id":10130077,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-03-13","date":"2016-08-24","document_id":"18-087-16 REV. A","mfr_campaign":null,"replaces":null,"component":"ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"Engine Oil Viscosity Upgrade And Flash Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) and the Transmission Control Module (TCM). It also involves changing the engine oil with new 5W40 engine oil and applying a sticker to the engine oil filler cap. An addendum card will need to be added in the owner's manual. The following powertrain system improvements/enhancements are included in this software release: · Fan calibration. · Transmission calibration. · Revised oil change algorithm.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10130077-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10130077-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10130077","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_jeep_grand-cherokee"]},{"make":"RAM","model":"1500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_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":[]}