RAM Promaster 2023 — technical service bulletin
Bulletin 0821123 · NHTSA communication 10243294 · issued Aug 31, 2023
Technical service bulletin
communication type
Equipment
component
2023
model years
1
vehicle entries
Official summary
Restore Vehicle Configuration Customers may experience the following: ? Customer installed rear speakers do not work. This bulletin involves performing a restore vehicle configuration procedure.
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.