Hello,
It sounds like the MSM (memory seat module) has gone out, but to be sure let's check the fuses. here is a guide to show us how to check for power and the seat heater wiring diagrams so you can see how the system works along with the fuse locations below:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuse is good the MSM should be replaced. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Thursday, February 21st, 2019 AT 10:39 AM