{"nhtsa_id":10221888,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2020-08-26","document_id":"1806920","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Some 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):P0133-00 - O2 Sensor 1/1 Slow Response. P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. P050E-00 - Cold Start Engine Exhaust Temperature Too Low. U0402-00 - Implausible Data Received From TCM. P0299-00 - Turbocharger Underboost Condition. P0402-00 - EGR Flow Excessive Detected. P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P208B-00 - Reductant Pump 1 Control Performance. P20C6-00 - Reductant Heater 4 Control Circuit Performance. P245B-00 - EGR Cooler Bypass Control Circuit Performance. Other software enhancement.Ability to enable the ?Fuel System Cleaning? routine in wiTECH.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10221888-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10221888-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221888","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0133","P0299","P0402","P050E","P208B","P20C6","P20EE","P245B","P249C","U0402"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_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":[]}