RAM Promaster 2022 — technical service bulletin
Bulletin 1802522REVB · NHTSA communication 10225386 · issued Aug 3, 2022
Technical service bulletin
communication type
Power Train
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, a technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0325 - Knock Sensor 1 Circuit. P0601 - Internal Memory Checksum Invalid. B1040-64 - Operational Mode Status Info 1 - Signal Plausibility Failure. Customers may experience one or more of the following:Adaptive cruise is inoperative. Remote start is inoperative.
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.