DTC U0301:09 [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 |
Error signal received from PCM |
| Detection condition |
- There is an error in the following signals sent from the PCM.
- Brake switch signal
- Cruise control system control signal
|
| Fail-safe |
- Inhibits the Mazda radar cruise control (MRCC) system control
- Inhibits the smart brake support (SBS) system control
|
| Possible cause |
- PCM malfunction
- DSC HU/CM malfunction
- Radar unit malfunction
|
| System wiring diagram |
|