This post made me check mine as I have the AutoHarnessHouse DCM bypass jumper installed.
Just as you have, my GPS is cracked out too. So the DCM is either acting as the GPS (satellite fed) or transfers the antenna signal to the ECM via the DCM harness.
The problem is no option here truly addresses the root issue. Replacing the tweeters is going to be complicated to match the correct impedence and RMS values. Even then if you do find something, the factory amplifier can only push so much power, which is the true issue.
The Beatsonic is...
Pretty much the same opinion as the fang lights lol.
Though my biggest issue is I know how much mud, dirt, and water I've had going through those vents, so it seems rather stupid to me. But aladls, my opinion counts for very little lol.
Not everyone has your best interest in mind at all times. At the end of the day, it is Toyota's job to sale more vehicles, not sale a few vehicles that last the life of the customer.
Tried to point out that they're just another knockoff Chinese seller, but the @Administrator said it was an irrelevant comment. Doesn't seem so irrelevant now.