{"nhtsa_id":10168472,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-02","date":"2019-10-22","document_id":"18-056-19 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:P0456 - EVAP System Small Leak. In addition, the customer may notice one or more of the following conditions:Vehicle hesitation or surge at low vehicle speeds. Engine hesitation when turning steering wheel to end stop. Powertrain bump or hesitation around 16-24 kph (10-15 mph) vehicle speed. Maybe reported as rough or harsh transmission shifting in the same vehicle speed range.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168472-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168472-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168472","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":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0456"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_ram_2500"]},{"make":"RAM","model":"3500","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_ram_3500"]}],"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":[]}