TESLA Warning
MCU_w055
MCU_w055_CellRoamingDisallowed
What does MCU_w055 mean?
Tesla warning code in the Media Control Unit (MCU) module. The vehicle no longer has cell data access.
Original Description
The vehicle no longer has cell data access.
Severity Notes
MCU_w055 is a Warning in the Media Control Unit system. Schedule service soon. Monitor your vehicle for additional warnings.
Other MCU Codes
MCU_u001 The media control unit (MCU) has detected that the seat belt... MCU_u002 This alert indicates the media control unit (MCU) has detect... MCU_u003 The headlights are on and a vehicle door is open.... MCU_u004 MCU_u005 The media control unit (MCU) has detected that the frunk / f... MCU_u006 The media control unit (MCU) has detected that the driver do... MCU_u007 The media control unit (MCU) has detected that a door is ope... MCU_u008 The dead key entry / start feature has been used (usually be...
View all MCU codes → Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.