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Hi did that say that you already replaced the multifunction switch?
Anyways replace the hazard flasher p/n 15764135 I've done a million for this issue. If you need instructions let me know
first remove the side cover of the driver dash, just pry out lightly
next remove the screws from the knee bolster and gently pull out ffrom the top to release it
next push the tab on the flasher and pull outward
install the new flasher,
reinstall knee bolster
Did you get it handled?