DTC U0320:09 [Radar Unit]: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

System malfunction location	Steering angle signal malfunction
Detection condition	There is an error in the steering angle signal sent from the EPS control module.
Fail-safe	Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the smart brake support (SBS) system control
Possible cause	Start stop unit malfunction (steering angle sensor malfunction) EPS control module malfunction Radar unit malfunction
System wiring diagram	Not applicable