Chrysler Pacifica 2017–2020 — technical service bulletin
Bulletin S1805000006 · NHTSA communication 10173320 · issued Feb 24, 2020
Technical service bulletin
communication type
Electrical System
component
2017–2020
model years
14
vehicle entries
Official summary
Esc light illuminated. Dtc c1252-92 vacuum pump control circuit and or p258b electronic vacuum pump performance
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.