Permanently increasing software complexity of today's electronic control units (ECUs) makes testing a central and significant task within embedded software development. While new software functions are still being developed or optimized, other functions already undergo certain tests, mostly on module level but also on system and integration level.

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Through the introduction of model-based development, paradigm models became first class citizens in the development of invehicle software and are thus also object to strict quality assurance. Just as code reviews are widespread in classical software development, models also have to undergo a stringent review procedure -particularly if they serve as a basis for automatic software implementation by means of model-based code generators. In addition to model reviews, the generated production code (autocode) must be reviewed by performing so-called autocode reviews. This paper presents our procedure for a combined model and autocode review and provides examples, lessons learned, as well as significant experimental results drawn from a typical automotive embedded software development project.

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