DATUM READING ERROR DETECTION METHOD

There is disclosed a method for detecting an error in the reading of a data item, this method includes a)storing a first copy of the data item in a first area of an electronic memory and storing of a second copy of the data item in a second area of an electronic memory. In Step b there is also included a Reading of the values of the first and second copies of the data item in the first and second areas respectively, In step c)here is a comparison of the read values of the first and second copies of the data item if the read values of the first and second copies are different, then the preceding steps b) and c) are repeated (78, 80), then f) if the values read in the step e) are identical, then an error in the reading of this data item is detected (82) and, otherwise, no error in the reading of this data item is detected.