DTC U0104: Lost Communication with Cruise Control Module; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System; DTC U1104: Lost Communication with Driving Support ECU [09/2017 - 05/2019]: Description
The driving support ECU assembly communicates with each sensor and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0104 | Lost Communication with Cruise Control Module | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the hybrid vehicle control ECU and the driving support ECU assembly is detected for approximately 1 second or more. |
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| U0122 | Lost Communication With Vehicle Dynamics Control Module | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the hybrid vehicle control ECU and the skid control ECU (brake booster with master cylinder assembly) is detected for approximately 2.6 seconds or more. |
|
| U0125 | Lost Communication with Yaw Rate Sensor Module | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the yaw rate sensor (airbag ECU assembly) and the driving support ECU assembly is detected for approximately 1 second or more. |
|
| U0126 | Lost Communication with Steering Angle Sensor Module | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the steering sensor and the driving support ECU assembly is detected for approximately 1 second or more. |
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| U0129 | Lost Communication with Brake System Control Module | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the skid control ECU (brake booster with master cylinder assembly) and the driving support ECU assembly is detected for approximately 1 second or more. |
|
| U0293 | Lost Communication with Hybrid Vehicle Control System | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the hybrid vehicle control ECU and the driving support ECU assembly is detected for approximately 1 second or more. |
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| U1104 | Lost Communication with Driving Support ECU | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the driving support ECU assembly and the millimeter wave radar sensor assembly is detected for approximately 0.2 seconds or more. |
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