DTC U0100: Lost Communication with ECM / PCM "A"; 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 [04/2018 - 08/2021]: 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 | MIL |
|---|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM "A" | 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 ECM and driving support ECU assembly is detected for approximately 1 second or more. |
|
Does not come on |
| 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 and acceleration sensor (airbag sensor assembly) and driving support ECU assembly is detected for approximately 1 second or more. |
|
Does not come on |
| 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 driving support ECU assembly is detected for approximately 1 second or more. |
|
Does not come on |
| 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 actuator assembly) and driving support ECU assembly is detected for approximately 2.5 seconds or more. |
|
Does not come on |