Apparatus and method for correcting a positioning system

The invention relates to an apparatus for correcting a positioning system that includes a system control unit (10) and a program memory (40) in which at least one program (72) can be stored for at least one positioning function, the system control unit (10) via an evaluation and control unit (12) loads the at least one stored program (72) for processing in a memory (16), and a corresponding method. According to the invention, a converting apparatus (50) is present, which modifies a created for at least one positioning function program (72) by incorporation of correction values ​​(62) in a control code of the program (72) and a system-specific program (52) to a predetermined positioning system (1) for is available, wherein the correction values ​​(62) specifically for the predetermined positioning system (1) are determined.