{"nhtsa_id":10080071,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-09-14","date":"2016-06-17","document_id":"21-019-16","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE","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): · **IMPROVED SHIFT QUALITY.** · P1DCD - TCM MONITORING PROCESSOR PERFORMANCE MULTIPLE CLUTCHES LOCKED UP. · P1B13 - PARK-BY-WIRE UNINTENDED OUT OF PARK POSITION. · P0734 - GEAR 4 SHIFT INCORRECT RATIO. 3.6L ENGINE (SALES CODE ERB) WITH 8HP45 TRANSMISSION (SALES CODE DFG): · **IMPROVED SHIFT QUALITY.** · HARSH 2-1 DOWNSHIFT OR BUMP AT LOW SPEEDS. · P0734 - GEAR 4 SHIFT INCORRECT RATIO. 3.0L ENGINE (SALES CODE EHD) WITH 845RE TRANSMISSION (SALES CODE DFL): · **IMPROVED SHIFT QUALITY.** · P1DCD - TCM MONITORING PROCESSOR PERFORMANCE MULTIPLE CLUTCHES LOCKED UP. · P1B13 - PARK-BY-WIRE UNINTENDED OUT OF PARK POSITION.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10080071","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"}],"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":"CHALLENGER","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_dodge_challenger"]},{"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":[]}