Chrysler Pacifica 2017–2018 — technical service bulletin
Bulletin 08-271-26 · NHTSA communication 11035046 · issued Jul 10, 2026
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
2
vehicle entries
Official summary
Battery Pack Control Module (BPCM) Update Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● U0412-00 - Invalid Data Received From Battery Energy Control Module "A".
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.