No accidents or injuries have been caused by a flaw that prompted the decision to replace the part in all Model S vehicles built before April of 2016, according to the Silicon Valley-based company.
“If the bolts fail, the driver is still able to steer the car, but increased force is required due to loss or reduction of power assist,” Tesla said in an email to Model S owners whose cars are impacted by the recall.
“This primarily makes the car harder to drive at low speeds and for parallel parking, but does not materially affect control at high speed, where only small steering wheel force is needed.”
No other Tesla models were involved in the recall.
The corrosion has only been noticed in places where winter roads are frequently salted to melt snow or ice, but all Model S vehicles with the part will be retrofitted in a protective move, according to Tesla.
Tesla shares that ended the Nasdaq trading day up lost 2.5 percent to $259.40 after hours.
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