KEY POINTS
  • Tesla is replacing repeater cameras in some Model S, X and 3 vehicles made in the US because of faulty circuit boards inside, according to internal correspondence seen by CNBC.
  • While the company has not yet issued a recall, it has authorized service employees to replace the faulty cameras for eligible Tesla owners on a goodwill basis -- that is, on the company's dime.
  • When repeater cameras are not working properly, Tesla owners may see a blank or choppy video feed on their car's main display, lose visibility into what's happening in their vehicle's blind spots, or get alerts that their Autopilot function is limited.

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Robotics arms install the front seats to the Tesla Model 3 at the Tesla factory in Fremont, California, on Thursday, July 26, 2018.

Tesla is replacing repeater cameras in the front fenders of at least several hundred Model S, X and 3 vehicles made in Fremont, California, although the company has not yet initiated a voluntary recall, according to internal service documents the company distributed in late November.

Internal communications said that the repeater cameras on some Model S, X and 3 vehicles made by Tesla in the U.S. have faulty PCBs, or printed circuit boards, inside. A bad PCB can lead to the cameras losing "electrical continuity" and failing well before those cameras could be reasonably expected to need an upgrade or replacement.

In this article