Tesla MCU3 (AMD Ryzen) — overview, specs, differences & faults

The system

MCU3 moves to AMD Ryzen with strong GPU performance. The UI is much smoother with richer 3D visualisations and heavier infotainment features.

Specifications (summary)

• CPU/GPU: AMD Ryzen platform
• Storage: larger NVMe/eMMC setups (depends on model year)
• Models: refreshed S/X (2021→), later 3/Y (2022→)

Differences vs. previous generation

• Noticeably faster than MCU2
• Richer 3D graphics/visuals
• Stronger base for future features

Common faults & our solution

• Software glitches/updates: we determine if it’s software or hardware and fix it.
• Thermal/cooling: we measure thermals and component health; repair where needed.

Upgrades and retrofit

An official MCU2 → MCU3 retrofit is generally not offered; depending on your build we discuss alternatives or targeted repair.