This issue can occur if the connector (see below) that goes to wheel is damaged (rat bite) or has become loose.
BHPian Meph1st0 recently shared this with other enthusiasts:
Had an issue with the EPB and Auto Hold recently.
Auto Hold and EPB was displayed in the dash in orange colour. Since there wasn’t any issue (except that the Auto Hold did not work), I continued driving and reached my destination.
The next day I raised a running repair in Hyundai app and reached the Hyundai service centre in Udupi at the agreed time. I was waiting in the customer lounge and had specifically asked them to call me when the service advisor arrives but as usual they did not. When I went outside, they were already checking the diagnostics. I was told that there could be a wiring cut probably due to rat bite. So I had to leave the car for them. I have never faced rat bite problems till now. As I had to run some errands, told them that I could drop the car in the afternoon.
After reaching back home, I tried searching stuff online. This issue can occur if the connector (see below) that goes to wheel is damaged (rat bite) or has become loose. Then I recalled this happened while driving through the Shiradi Ghats over rough surface at higher speed. I just reached for the connector behind the wheel and pressed it. The right side one was okay but the left side one was loose. I just tightly pressed it back in place and the error went away.
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