Tesla Model S, Model X: Visibility — defroster/defogger/hvac system

Affects Tesla Model S, Model X · 2012–2018 — about 135K vehicles.

The hazard

The eMMC controller wear-out condition can cause the loss of the rearview camera display, defrost/defog control settings, and exterior turn signal lighting, reducing visibility and increasing the risk of a crash.

What to do

Owners should ensure their vehicles are operating firmware release 2020.48.48.12 or newer, which will alert owners if the eMMC is approaching lifetime wear. Tesla will notify owners, and will replace the VCM daughterboard with one containing an enhanced eMMC controller, free of charge. The recall began March 29, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-21-001.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational