Originally Posted by chrisl137

Any sensor failure should be an identifiable issue, but given aircraft reliability requirements they aren't likely to show up during flight testing unless forced. Which is why I pointed out that it would be identified as a failure mode by analysis and then flight tested (as jrl767 pointed out, by pulling a breaker, though it would also be a good idea to insert a fake sensor in the circuit so a range of anomalous values could be forced)