Tesla Model S 2012–2018 — technical service bulletin
Bulletin SB-20-21-002 R1 · NHTSA communication 10184231 · issued Nov 11, 2020
Technical service bulletin
communication type
Equipment
component
2012–2018
model years
11
vehicle entries
Official summary
For some Model S and Model X vehicles built before March 2018, an 8GB embedded MultiMediaCard (?8GB eMMC?) in the Media Control Unit (MCU) might malfunction due to accumulated wear. This could result in a blank or intermittently blank touchscreen, or an alert on the touchscreen indicating that a memory storage device has degraded and to contact Service. R1 updates determine eligibility procedure.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.