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The problem is that the lokal dealer writes to exchange for two of the same. Which is not true!
The 2018 seris alert attached, but does not provide information on the second segment of the two-letter label. There is only information on the lower part of the alphanumeric label.
If both modules have part numbers that are KB8C-67Y30E (suffix E)or lower, proceed to next step.
If any module has a part number that is KB8C-67Y30F (suffix F) or later, this service information does not apply. Suffix F or later mismatch is OK.
Step 1, bullet point 1 says only if the hardware is Rev "E" or lower do you need to compare the software rev labels.
Step 1, bullet point 2 says hardware revisions "F" or higher are not a problem.
Your hardware revs are both higher than E, so the bottom labels don't matter. Your hardware revs are higher than F so mismatched hardware revs are okay.
Mazda CX-5 2021 Monitor Blind Spot
