2018 Headlight and Turn Signal - Chevy and GMC Duramax Diesel Forum
2017 - '19 (Non Powertrain) Discussion of 2017 - '19 topics not related to powertrain

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post #1 of 2 (permalink) Old 10-21-2019, 05:04 PM Thread Starter
Join Date: Oct 2019
Posts: 1
2018 Headlight and Turn Signal

I’m having an issue with my headlight. This morning when I went to unlock the passenger headlight did not come on. The brights and DRLs also did not work. Blinker does work. It’s odd, my turn signal on my right mirror is constant on. Does not flash if I turn blinker on at steering wheel. Not really sure what is going on. Any thoughts?
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post #2 of 2 (permalink) Old 10-22-2019, 10:52 AM
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Join Date: May 2018
Posts: 780
Bcm may be corrupted, or you could have lost a ground somewhere. Check the connector to the body control module.
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