DTC U0401 00: Can System Communication Error: Notes
WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0401:00 DETECTION CONDITIONS AND POSSIBLE CAUSES
| DTC U0401:00 |
CAN system communication error |
| DETECTION CONDITION |
- Error detected in signal from PCM via CAN communication
|
| FAIL-SAFE FUNCTION |
- Vehicle speed signal malfunction
- Control is maintained by gradually changing the controlled vehicle speed and setting it to 120 km/h {74.6 mph}
- Power steering malfunction indicator light: Illuminated
- Engine speed signal malfunction
- Control enabled
- Power steering malfunction indicator light: Not illuminated
- i-stop status signal malfunction
- EPS i-stop control is not operated, and normal control is maintained
- Power steering malfunction indicator light: Not illuminated
|
| POSSIBLE CAUSE |
|
| SYSTEM WIRING DIAGRAM |
Not applicable |