DTC U0423-00: Can System Communication Error: 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.
| DTC U0423:00 |
CAN system communication error |
| DETECTION CONDITION |
- Error detected in signal from instrument cluster via CAN communication
|
| FAIL-SAFE FUNCTION |
- Control enabled
- If the EPS CM detects the signal that a engine speed is below the specified value, it disables assistance
- Power steering malfunction indicator light: Not illuminated
- If the EPS CM detects the signal that a engine speed is below the specified value, it illuminates the power steering malfunction indicator light
|
| POSSIBLE CAUSE |
- EPS CM detects the signal that a engine speed is below the specified value
- Abnormal engine switch status is detected
- PCM malfunction
- Instrument cluster malfunction
|
| SYSTEM WIRING DIAGRAM |
- |