RAM Promaster 2023 — technical service bulletin
Bulletin 0818823 · NHTSA communication 10243226 · issued Aug 2, 2023
Technical service bulletin
communication type
Equipment
component
2023
model years
1
vehicle entries
Official summary
Flash: Radio Frequency Hub Module (RFHM) Update The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs): ? B1053-64 RFHM (Kin Communication) - Signal Plausibility Failure Set In The RF Hub. ? B1A7D-2F Start Button - Signal Erratic. Customers may also experience one or more of the following: ? Messages shown on the Instrument Panel Cluster (IPC): ? Service Passive Entry Vehicle will not Shut Off or Restart. ? To Shut Off Vehicle, See Vehicle Settings (if the vehicl
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.