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[–] 7 points 2 years ago (1 child)

Yeah, it goes through the emergency call system, but just connecting the wires and leaving the dcm box alone is supposed to fix it. I have the forum post saved if you wanna look; https://www.toyotanation.com/threads/how-do-i-locate-the-dcm-telematics-unit-on-a-2020-corolla.1693507/#post-14400614

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