{"nhtsa_id":10180250,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-09-28","date":"2020-08-05","document_id":"18-058-20","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0456 - EVAP System Small Leak. P06EF - Engine Restart Performance. P0175 - Fuel System 2/1 Rich. P258B - Electronic Vacuum Pump Performance. P0128 - Thermostat Rationality. C0062 - Longitudinal Acceleration Sensor. In addition, customers may comment on one or more of the following:A hesitation during aggressive accelerations after an Electronic Stop/Start (ESS) event and the engine is not fully at warm operational temperature. Engine RPM erratic and or bucking, when accelerating after slowing down. Occasional engine shut off while shifting from 4WD low to 2WD. Improvements to the vacuum pump cycle time. Rough idle after cold start.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180250-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10180250-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10180250","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","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":["C0062","P0128","P0175","P0456","P06EF","P258B"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_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":[]}