Chrysler Pacifica 2021 — technical service bulletin
Bulletin S2008000164RevB · NHTSA communication 10221297 · issued Jun 23, 2021
Technical service bulletin
communication type
Equipment
component
2021
model years
4
vehicle entries
Official summary
R1 radio codes B15A1-00, B1431-00 or U3033-00 May Be Present
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.