RAM 2500 2015 — technical service bulletin
Bulletin 1807622 · NHTSA communication 10228032 · issued Apr 8, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015
model years
2
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of thefollowing DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P1C55 - NOx Sensor Intermittent ? Bank 1 Sensor 1. P0301 - Cylinder 1 Misfire. P0302
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.