Cars have been shipping with sensors and computers since the 80s. When was the last time you heard of somebody's ECU failing? What's that, you've never heard of an ECU before? :-)
1. https://www.gsfcarparts.com/blog/when-car-sensors-go-bad-sym... 2. https://teslamotorsclub.com/tmc/threads/questions-about-batt...
The thing is the more complex these things become the higher probability they fail. A machine made of 10parts each with 1% of failure rate per annum doesn't just add up to 10%...