Chrysler Pacifica 2021 — technical service bulletin
Bulletin 1808622 · NHTSA communication 10228048 · issued Apr 28, 2022
Technical service bulletin
communication type
Exterior Lighting
component
2021
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following DTCs have been set: U0418-00 - Implausible Data Received From Brake System Control Module 1. P061A - Level 2 Torque Performance. Customers may also experience the following: Transmission hard upshifts, rough/bump during low gear 1-2 and 2-3 at 40-64 kph (25-40 mph).
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.