Tesla Model S MCU1 Touchscreen Failure — eMMC Failure
Tesla
Model S
2012
All pre-2018
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The MCU1 (Media Control Unit) in pre-2018 Model S has an eMMC flash memory chip that wears out from constant write cycles. The touchscreen becomes slow, unresponsive or completely dead. Tesla offered an MCU replacement as a recall/extended goodwill in some markets. MCU2 upgrade costs £2,000-3,500.
Onarım / Çözüm
No confirmed fixes yet. Share yours below.
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Tesla Model S 2012 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🚗 More About This Vehicle
Explore more Tesla models
Deneyiminizi paylaşarak diğer araç sahiplerine yardım edin.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.