RAM 2500 2020 — technical service bulletin
Bulletin 1804820REVA · NHTSA communication 10221864 · issued Aug 7, 2020
Technical service bulletin
communication type
Power Train
component
2020
model years
2
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/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 more of the following Diagnostic Trouble Codes (DTCs) have been set:P1D7300 - AGS Performance. P0299-00 - Turbocharger Underboost. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P1451-00 - Diesel Particulate Filter System Performance. P242F-00 - Diese
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.