{"nhtsa_id":10223989,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2020-10-30","document_id":"1807420REVA","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; BACK OVER PREVENTION; AIR BAGS","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 that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set:P0339 - Crankshaft Position Sensor Intermittent. P0335 - Crankshaft Position Sensor Circuit. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT)to determine if a leak is present in the system. P258B - Electronic Vacuum Pump Performance. The customer may experience one or more of the following:ECO light does not illuminate in the instrument cluster during MultipleDisplacement Solenoid (MDS) event. 2-3 km (1.4 to 1.9 mph) difference between cruise set speed and the actualvehicle speed. The engine may exhibit a crank and fail to start situation. The vehicle has a rough idle only after cold start. The radiator cooling fan is stuck on for a long time while driving. Coolant temp/check gauges light illuminated in the Instrument Panel Cluster(IPC). Radiator cooling fan inoperative.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10223989-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10223989-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10223989","components":[{"id":"air-bags","name":"Air bags","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["P0335","P0339","P0456","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":[]}