DTC U0301-09; Error signal received from PCM: Notes
DETECTION CONDITION & POSSIBLE CAUSE
| Description |
Error signal received from PCM |
| Detection condition |
- Radar unit receives the following signals from the PCM.
- Brake switch error signal
- Cruise control switch error signal
- PCM internal malfunction signal
- Cruise control error signal
- Engine speed error signal
- Accelerator opening angle error signal
|
| Fail-safe |
- Inhibits the mazda radar cruise control (MRCC) system control
- Inhibits the smart brake support (SBS) system control
- Inhibits the distance recognition support system (DRSS) control
|
| Possible cause |
- DTCs are stored in the PCM.
- DTCs are stored in the DSC HU/CM.
- Radar unit malfunction
|
| System wiring diagram |
Not applicable |