{"nhtsa_id":11008217,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-10-01","date":"2024-09-26","document_id":"21-050-24","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Transmission Control Module","summary":"\"Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. Customers may also comment on the following: ● Transmission randomly shifts into neutral gear while driving. NOTE: The vehicle can be reset with an ignition/key cycle from Off and then back to Start to allow the vehicle to shift normally. This bulletin involves reprogramming the TCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008217-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008217-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11008217","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P1DCD"],"topics":[],"vehicles":[{"make":"RAM","model":"PROMASTER","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]}],"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":[]}