{"nhtsa_id":11025016,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-11-05","date":"2025-10-28","document_id":"08-359-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set in the Hybrid Control Processor (HCP) module: ● P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following: ● **Low/weak 12V battery or a no start condition due to voltage being under 10.5V. ● Unable to charge vehicle while key is off.** ● Shifts rough occasionally when coming down to a stop. ● Shifts rough occasionally when accelerating. ● Shifts rough when transitioning from EV to Hybrid operation on low SoC. ● Shifts rough when engines starts. ● On part throttle accelerations with little to no battery available the transition from battery power to engine on is harsh and abrupt. ● The engine oil life on dashboard drops down too fast when the engine oil dilution reaches high level without the ability to recover.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025016-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025016-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025016","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P16F0"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee"]}],"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":[]}