{"nhtsa_id":11012831,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-01-14","date":"2025-01-11","document_id":"21-003-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":"Powertrain Control Module","summary":"\"Flash: Transmission Control Module (TCM) 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): ● P0810-00 - Clutch Position Control Error. ● P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following: ● K0 Adaptation routine runs when vehicle stationary and EV Mode. ● Vehicle loses propulsion capability. ● Service transmission warning indicator is on. NOTE: Require key cycle to recover. ● 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. This bulletin involves reprogramming the TCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11012831-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11012831-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012831","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0810","P16F0"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_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":[]}