{"nhtsa_id":10084062,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-08","date":"2016-07-30","document_id":"21-017-16 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"\"FLASH: TRANSMISSION SHIFT AND DRIVABILITY ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE TRANSMISSION CONTROL MODULE (TCM) WITH THE LATEST AVAILABLE SOFTWARE. SOME CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION, A TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODE (DTC) STORED IN THE TCM MEMORY: · P0731 - GEAR RATIO ERROR IN 1ST. THE FOLLOWING ENHANCEMENTS ARE INCLUDED IN THE SOFTWARE UPDATE: · **2-1 COAST DOWN IMPROVEMENT (3.0L ONLY). · 3-2 COAST DOWN IMPROVEMENT (3.0L ONLY). · IMPROVEMENT TO 5-3 DOWNSHIFT WITH PEDAL TO IMPROVE 5-3-2 SHIFT (3.0L ONLY) · 6-5 COAST DOWN IMPROVEMENT (3.0L ONLY) · 2-3 UPSHIFT WITH LESS THAN 30% PEDAL IMPROVEMENT (3.0L ONLY) · CLUTCH C ADAPTION STABILITY IMPROVEMENT (IMPROVES SHIFT QUALITY FOR NEW TRANSMISSIONS ON GEAR SHIFTS THAT USE CLUTCH C) (3.0L ONLY). · GARAGE SHIFT TO D IMPROVEMENTS (3.0L ONLY). · ROLLING GARAGE SHIFT IMPROVEMENTS (3.0L ONLY). · IMPLEMENTATION OF END OF LINE (EOL) ADAPTION TO IMPROVE SHIFT QUALITY ON BRAND NEW TRANSMISSION. · DIAGNOSTICS IMPROVEMENTS (3.6L AND 5.7L). · IMPROVE SHIFT QUALITY ON BRAND NEW TRANSMISSION (5.7L ONLY). · IMPROVEMENT TO FIRST 1-2 SHIFT AFTER START (5.7L ONLY). · IMPROVEMENT TO 1-2 SHIFT, ESPECIALLY FOR COLDER OPERATING TEMPERATURES (5.7L ONLY). · 2-3 SHIFT FEEL IMPROVEMENT ESPECIALLY FOR COLDER OPERATING TEMPERATURES (5.7L ONLY). · COASTDOWN SHIFT IMPROVEMENTS (6-5, 5-4, 4-3, 3-2, 2-1) (5.7L ONLY). · COASTDOWN SHIFT FEEL REFINEMENT FOR DOUBLE DOWNSHIFTS (5.7L ONLY). · KICKDOWN IMPROVEMENTS FOR THE FOLLOWING SHIFTS (7-6-5-4-3, 8-6-5-4, 6-3-2, 5-3-2, 4-2) (5.7L ONLY). · IMPROVEMENT TO 4-2-1 (5.7L ONLY).** · IMPROVED 7TH GEAR UPSHIFT TIMING. · DOWNHILL ENGINE BRAKING IMPROVEMENTS.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10084062","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":["P0731"],"topics":[],"vehicles":[{"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":[]}