{"nhtsa_id":11026679,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-12-17","date":"2025-12-12","document_id":"08-400-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Power Inverter Module (PIM) 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): ● P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off. ● U0623-00 - Lost Communication With Coolant Pump \"A\". ● P1DBA - Battery Cooling System Failure (Module, Hybrid Control Processor (HCP)). **Customers may experience the following: ● The vehicle is not performing a scheduled cabin preconditioning. 'Cabin Preconditioning Unavailable' message present when the scheduled cabin condition is not performed as planned.** This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) and Hybrid Control Processor (HCP) also known as PIM, with the latest available software","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026679-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026679-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026679","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P1DBA","P2601","U0623"],"topics":[],"vehicles":[{"make":"ALFA ROMEO","model":"TONALE PHEV","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_alfa-romeo_tonale"]}],"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":[]}