2021 enclave, battery went dead and had to jumpstart it. Now I have no infotainment whatsoever, no radio just a black screen. checked fuses and all are good. Any ideas?
GM has had several problems with screen blackout on various vehicles. Although your Enclave is not specifically mentioned in this article, a call to GM might be in order. If you scroll down through the article you'll see that several posters with unmentioned vehicles have had the problem, particularly in cold weather. Your battery replacement could be coincidental. https://gmauthority.com/blog/2021/0.../general-motors-drops-service-update-for-blacked-out-infotainment-screen-issue/
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