MCU-U008
MCU_u008_DSTEntryLockDisabled
Also written as MCU_U008 / MCU U008 / MCU_u008_DSTEntryLockDisabled / mcu_u008_dstentrylockdisabled
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-U008 mean?
Tesla unknown code in the Media Control Unit (MCU) module. The dead key entry / start feature has been used (usually because the key fob battery is too low). If this alert is present, passive lock is disabled and this alert appears to indicate that the feature will not work.
Original Description
The dead key entry / start feature has been used (usually because the key fob battery is too low). If this alert is present, passive lock is disabled and this alert appears to indicate that the feature will not work.
Affected Tesla Models
What You May Notice
- Media Control Unit alert: The dead key entry / start feature has been used (usually because the key fob battery is too low). If this alert is pres
- 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-U008 is a diagnostic or informational code in the Media Control Unit system. Typically no immediate action is required.