{"nhtsa_id":10239971,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-31","date":"2023-05-24","document_id":"1802423","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ? **P0299 - Turbocharger Underboost.** ? P061B - Internal Control Module Torque Calculation Performance. ? P0755 - Shift Solenoid B (DG7 Only). ? P0765 - Shift Solenoid D (DG7 Only). ? P0401 - EGR System Performance. ? P0755 - 2C Solenoid Circuit. ? P0765 - UD Solenoid Circuit. ? P244A - Diesel Particulate Filter Differential Pressure Too Low. ? P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. ? P242F - Diesel Particulate Filter Restriction - Ash Accumulation. ? P1451 - Diesel Particulate Filter System Performance. ? P2463 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ? P0607-00 - ECU Internal Performance. ? P0299-00 - Turbocharger Underboost. ? P1451-00 - Diesel Particulate Filter System Performance (Sales Code ETL Only).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239971-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239971-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10239971","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0299","P0401","P0607","P061B","P0755","P0765","P1451","P20EE","P242F","P244A","P2463"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ram_2500"]},{"make":"RAM","model":"3500","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_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":[]}