MCU-U017
MCU_u017_RegenChanged
Also written as MCU_U017 / MCU U017 / MCU_u017_RegenChanged / mcu_u017_regenchanged
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does MCU-U017 mean?
Tesla unknown code in the Media Control Unit (MCU) module. Regen has been improved (increased) for the dual motor Model S refresh vehicles. This alert will be shown 3 times for existing user profiles with Regen set to Standard.?
Original Description
Regen has been improved (increased) for the dual motor Model S refresh vehicles. This alert will be shown 3 times for existing user profiles with Regen set to Standard.?
Affected Tesla Models
What You May Notice
- Media Control Unit alert: Regen has been improved (increased) for the dual motor Model S refresh vehicles. This alert will be shown 3 times for ex
- Touchscreen may show an error for one or more apps or settings
- Feature may restore itself after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
MCU-U017 is a diagnostic or informational code in the Media Control Unit system. Typically no immediate action is required.