Here is what is said about the trouble codes:
B11E3:07 - Rear HVAC Damper Motor: Mechanical Failure:
B1B7D:11 - Rear Air Distribution Actuator: Circuit Short to Ground:
So, it sounds like the rear HVAC actuator is shorted out or the wiring is rubbed through and is touching ground which is more unlikely. Here is how to get the actuator so you can replace it or check the wiring. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Monday, May 22nd, 2023 AT 10:13 AM