These lights are controlled by the BCM to confirm the failure we need to do a CAN scan which is the future of automotive repair you can get a CAN scanner from Amazon for about $50.00. here is a video to show you how:
https://youtu.be/InIlnsjOVFA
Also lets check the fuses (1 - 10 amp) here is a guide and the tail light wiring diagrams so you can see how the system works and the BCM replacement instructions in case all fuses are okay:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Saturday, August 1st, 2020 AT 11:52 AM