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February 26, 2026 Service bulletin

Flash: Auxiliary Hybrid Control Processor (AHCP) / Customers must experience a Malfunction Indicator Lamp...

Chrysler technical service bulletin 08-081-26 for 2024 Chrysler Pacifica Plug-In Hybrid.

Bulletin number
08-081-26
Component
Electrical system
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. Customers may also comment on one or more of the following: ● Vehicle does not start / engine does not crank. ● Extended engine cranking time when starting the vehicle. ● Loss of heat from the engine. This bulletin involves reprogramming the AHCP and then the HCP with the latest available software.

Owners of these vehicles have filed 7 complaints in the electrical category.

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