{"nhtsa_id":11033327,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-03","date":"2026-05-27","document_id":"08-108-26 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. ● P0A44 - Drive Motor A Position Sensor 1 Circuit Overspeed. ● U0111-00 - Lost Communication With Battery Energy Control Module (BPCM). ● P1625-00 - Park Pawl System Failure. ● U0412-00 - Invalid Data Received From Battery Energy Control Module-A. ● P215B-00 - Vehicle Speed Output Shaft Speed Correlation. ● P079A-00 - Transmission Friction Element 1 Slip Detected. ● P079B-00 - Transmission Friction Element 2 Slip Detected. ● P084F-00 - Park-Neutral Switch Output 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. ● Service Charging System and Traction Battery Cutoff warning messages appear during a key cycle event at -7° C (+20°F). ● Vehicle will force to Park when keyed off in Neutral if the door is open during wake-up procedure and remains open or within 2 minutes of door closure ● Loss of power steering assist when ignition push-button is pressed by driver after a Remote Start. ● Unusual battery drain when DTC, P084F-00 - Park-Neutral Switch Output is set. This software release includes the following software enhancements: ● Corrections to allow the vehicle to clear the permanent fault codes. ● 12V battery overcharged prevention. ● Corrected fuel consumption counter while in charge depleting 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-11033327-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033327-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033327","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P079A","P079B","P084F","P0A44","P0E15","P1625","P215B","U0111","U0412"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA PLUG-IN HYBRID","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_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":[]}