FUEL/PROPULSION SYSTEM
Software release 3.4.0.A is an over-the-air (OTA) quality action to improve driver experience, vehicle performance, and vehicle diagnostics. Summary of Changes • Digital display firmware upgrade. • Improve digital display menu navigation. • Driver feedback for pending gear selection. • Improved cooling system diagnostics and performance. • Improved HV battery diagnostics. • Improved fault code reporting. • Improved efuse trip handing on MY2024 EPIC S/SL and MY2025 S/SL vehicles.