{"nhtsa_id":11033321,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-03","date":"2026-05-27","document_id":"08-079-26 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Hybrid Control Processor (HCP) / Auxiliary Hybrid Control Processor (AHCP) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance. ● P06E4 - Control Module Wake-Up Circuit Performance. ● P2797-00 - Auxiliary Transmission Fluid Pump Performance. ● P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance. ● P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance. ● P288B-00 - Park Lock-Pawl Actuator Circuit 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. ● Engine turns on when requesting cabin heat to turn on. ● Loss of heat from the engine. ● Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear. As a result, the vehicles are not eligible to be registered in certain states. ● Vehicle will not start when it is cold (-30°C / -22°F and below). ● Heard and/or felt bump when the gas engine turns on while driving. This software release includes the following software enhancement: ● Corrections to allow the vehicle to clear the permanent fault codes. This bulletin involves reprogramming the **HCP and then the AHCP** with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033321-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033321-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033321","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P06E4","P07B5","P0E15","P177C","P2797","P288B"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA PLUG-IN HYBRID","year_from":2017,"year_to":2017,"match":"base","vehicle_ids":["2017_chrysler_pacifica"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}