DTC C1A74: Steering Vibrator System Malfunction [11/2017 - 10/2022]: Description
If the forward recognition camera receives a steering vibration ECU (steering vibration and heater ECU) malfunction signal, DTC C1A74 is stored.
| DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
| C1A74 |
Steering Vibrator System Malfunction |
When all of the following conditions are met:
- The vehicle speed is 5 km/h (4 mph) or more.
- The lane departure alert system (w/ steering control) is on.
- A malfunction signal from the steering vibration ECU (steering vibration and heater ECU) is detected by the forward recognition camera for 5 seconds or more.
|
- Forward recognition camera
- Steering vibration ECU (Steering vibration and heater ECU)
- Spiral cable sub-assembly
- Wire harness or connector
|