{"nhtsa_id":10148981,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-26","date":"2015-08-21","document_id":"21-023-15 REV-B","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. 3.6L Engine (Sales Code ERB) with 845RE Transmission (Sales Code DFL) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. 3.0L Engine (Sales Code EHD) with 845RE Transmission (Sales Code DFL) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. 3.6L Engine (Sales Code ERB) with 845RE Transmission (Sales Code DFG) ? Harsh 2-1 downshift or bump at low speeds. ? P0734 - Gear 4 Shift Incorrect Ratio.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148981-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148981-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10148981","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0734","P1B13","P1DCD"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"300","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chrysler_300"]},{"make":"DODGE","model":"CHARGER","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_dodge_charger"]}],"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":[]}