The wave of automotive recalls this year underscores the importance of putting identification codes on products. Without such codes, consumers would not know if their vehicles were safe, and automakers would not know where or when problem parts were made.
Warranty requirements aren’t the only reason to put codes on products. Such codes help manufacturers track inventory, customize assemblies, “marry” subassemblies built on different lines, and ensure that the correct parts are installed in the correct products. Parts that are expected to wear can be identified with a code so customers can easily find replacements.