Chrysler Pacifica Plug-In Hybrid 2017–2021 — technical service bulletin
Bulletin 08-299-25 · NHTSA communication 11023167 · issued Sep 10, 2025
Technical service bulletin
communication type
Electrical System
component
2017–2021
model years
5
vehicle entries
Official summary
High Voltage Battery Pack Replacement XT1 Warranty Extension Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0EDD-00 - Hybrid/EV Battery Pack "B" Deterioration. ● P0BBE-00 - Hybrid Battery Pack Voltage Variation. ● P1C5E-00 - Battery State Of Health Failed. NOTE: Any warranty qualifying issues outside of these specific DTCs will continue to be covered per the HV battery standard warranty coverage This bulletin involves replacing the high voltage battery pack.
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.