DIM E003: This code indicates a fault in the Driver Information Module (DIM).
CEM A156: This code points to a problem in the Central Electronic Module (CEM).
So, I would start by checking the fuses this guide can help:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuses are good chances are the IPC (DIM) has gone bad, here is how to change it out in case you need it. 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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Tuesday, August 15th, 2023 AT 9:28 AM