{"nhtsa_id":10159947,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-11-20","document_id":"21-039-15 REV B","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P1720 - Output Speed Sensor-Wheel Speed Rationality. ? P1634 - Output Speed Sensor-Wheel Speed Rationality. ? P1DCCD - TCM Monitoring Processor Performance Multiple Clutches Locked Up. ? P0887 - TCM Power Control Circuit High. ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. ? P1DAD - Input Shaft-Output Shaft Direction Correlation. ? P1CC9 - Unable To Engage Gear. In addition to the above conditions, this software release also includes improvements to: ? Transmission shift quality. ? Enable the capability to capture non Diagnostic Trouble Code (DTC) control module data through the Uconnect Data Recording system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159947-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159947-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10159947","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0711","P0887","P1634","P1720","P1CC9","P1DAD"],"topics":[],"vehicles":[{"make":"RAM","model":"PROMASTER CITY","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_ram_promaster-city","2016_ram_promaster-city"]}],"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":[]}