{"nhtsa_id":11019623,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-18","date":"2025-06-14","document_id":"08-003-25 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":"Hybrid Control Processor","summary":"\"Flash: Hybrid Control Processor (HCP) and 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): ● P0C19 - Drive Motor A Torque Delivered Performance. ● P1B03 - Resolver Signal / MCPA Rationality. ● B273C - Digital Crash Input. Customers may experience the following: ● Intermittent wrench (service HV) icon condition. This bulletin involves reprogramming the HCP/AHCP, also known as Power Inverter Module (PIM), with the latest available software.**\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019623-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019623-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019623","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B273C","P0C19","P1B03"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_grand-cherokee-l"]}],"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":[]}