DYNAMIC RADAR CRUISE CONTROL SYSTEM(for 6AR-FSE), Diagnostic DTC:U010087, U012287, U0125, U0126, U0129, U1104, U110487
| DTC Code | DTC Name |
|---|---|
| U010087 | Lost Communication with ECM/PCM "A" Missing Message |
| U012287 | Lost Communication with Vehicle Dynamics Control Module Missing Message |
| U0125 | Lost Communication with Yaw Rate Sensor Module |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0129 | Lost Communication with Brake System Control Module |
| U1104 | Lost Communication with Driving Support ECU |
| U110487 | Lost Communication with Driving Support ECU Missing Message |
DESCRIPTION
The ECM and driving support ECU assembly communicate signals with each sensor and ECU via CAN communication.
If there are any malfunctions in the communication circuit, one or more CAN communication system DTCs are output.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U010087*1 | While the vehicle speed is 36 km/h (or 22 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), the ECM continuously receives a communication cut-off signal from the skid control ECU (brake actuator assembly) for approximately 1 second or more. |
|
| U0100*2 | While the vehicle speed is 36 km/h (or 22 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), a communication error between the ECM and the driving support ECU assembly is detected for approximately 0.8 seconds or more. |
|
| U012287*1 | When the engine switch is on (IG) and the dynamic radar cruise control system is operating, a communication error between the skid control ECU (brake actuator assembly) and the ECM is detected for approximately 2.6 seconds or more. |
|
| U0125*2 | While the vehicle speed is 36 km/h (or 22 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), a communication error between the yaw rate sensor (airbag sensor assembly) and the driving support ECU assembly is detected for approximately 0.8 seconds or more. |
|
| U0126*2 | While the vehicle speed is 36 km/h (or 22 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), a communication error between the steering sensor and the driving support ECU assembly is detected for approximately 0.8 seconds or more. |
|
| U0129*2 | While the vehicle speed is 36 km/h (or 22 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), a communication error between the skid control ECU (brake actuator assembly) and the driving support ECU assembly is detected for approximately 2.3 seconds or more. |
|
| U110487*1 | While the vehicle speed is 40 km/h (or 25 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), communication between driving support ECU assembly and ECM stops for 1 second or more. |
|
| U1104*2 | While the vehicle speed is 36 km/h (or 22 mph) or more and the dynamic radar cruise control system is operating (vehicle-to-vehicle distance control mode), 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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*1: The DTC is store in the ECM
-
*2: The DTC is store in the driving support ECU Assembly
CAUTION / NOTICE / HINT
Tech Tips
Refer to troubleshooting in CAN Communication System Click here.
