Chrysler Pacifica Plug-In Hybrid 2020 — technical service bulletin
Bulletin 08-109-26 · NHTSA communication 11030119 · issued Mar 10, 2026
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
Flash: Auxiliary Hybrid Control Processor (AHCP) / Customers **must** experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle **must** SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance. ● P29BB-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.** ● P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance. ● P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance. ● P0A46-00 - Drive Motor B Position Sensor 1 Circuit Range-Performance. ● P0A4
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.