Tesla Rolls Out FSD v14 'Lite' to Older Hardware 3 Vehicles, Canada Expansion Expected
By
John Quintet
Summary
Tesla has begun rolling out FSD v14 'Lite' to a small group of early-access owners with older Hardware 3 (HW3) vehicles, which had been stuck on v12.6.4 for over a year. Because HW3 has significantly less memory bandwidth and processing power than the newer HW4 chip, Tesla couldn't simply port the software directly. Instead, the company distilled the driving behavior from HW4 models into a lighter version compatible with the older hardware. The update is expected to expand to Canada next.
Source
bskyTesla Rolls Out FSD v14 'Lite' to Older Hardware 3 Vehicles, Canada Expansion Expectediphoneincanada.caKey quotes
· 4 pulledGetting this update onto older hardware wasn't simple.
Hardware 3 (HW3) has way less memory bandwidth and processing power than the newer Hardware 4 chip (HW4) found on the latest cars
Tesla had to find a workaround rather than just porting the software over directly.
The company ended up distilling the driving behaviour from its newer HW4 models down into something that could [run on HW3]
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