RAM 1500 2022 — technical service bulletin
Bulletin 1808422 · NHTSA communication 10228042 · issued Apr 26, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
1
vehicle entries
Official 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 the one ormore of the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. P012A - Turbocharger/Supercharger Inlet Pressure Sensor 1. P012B - Turbocharger/Supercharger Inlet Pressure Sensor 1 Circuit Performance. The customer may also experience one or more of the following: Engine idles rough after st
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.