Complexity in the software has increased to a level where it has become not just difficult to debug and maintain, but it has compounded an OEM’s already difficult situation to comprehend the overall system interactions between various electronic control units (ECUs) and to properly test all the various combinations of features in a car. Most of the software in vehicles is written by suppliers that also use third-party software and work with externals, so the OEM’s control on the result is ve...
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