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Your forward radar is either bad/damaged or there is something blocking it. These are the typical top 3 reasons, the radar doesn't just uncalibrate itself so there is a good change you might be spending some money to fix it. Best case it can be reset and you have a small wiring issue, but hard to say until you're into it.
Mine was out when I bought my 2010, I searched and searched for a module. I came to that conclusion because forscan wouldn't communicate with it. Bought a like module, mine ended in AK and I bought an AJ on a gamble on ebay out of Canada. It worked like a charm. As the guy said above start with Forscan and a good adapter that has hs can.