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Re: BEWARE! A/M LED headlights can upset BCM and busses
Posted to Technical Discussion Forum on 10/16/2023

I did save the waveforms on the 2019 Impala last year, I think one was just afler KOEO as H/L switched on. Yellow Low Speed GMLAN green is CAN+. The other was normal [Normal waveforms] [When LED headlinghts switched on] Login to read more.

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