RAM 3500 2022 — technical service bulletin
Bulletin 1812822 · NHTSA communication 10230331 · issued Jul 8, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
3
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM) / Powertrain Control Module (PCM) with the latest available software.PCM software related to this Technical Service Bulletin (TSB) is included within the Y43 Recall. If not already completed, please perform the Y43 recall if the vehicle is on the recall VIN list. For all other vehicles perform the Repair Procedure below. Customers may experience the following: Idle Instability. The following improvements are also included in this update:wiTECH routine improvement, fuel system run
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.