The ECM 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 | DTC Output from |
|---|---|---|---|---|
| U010087 | Lost Communication With ECM/PCM "A" Missing Message | When the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake actuator assembly) and ECM is detected for approximately 1 second or more. | CAN communication system | Cruise Control |
| U010487 | Lost Communication with Cruise Control Module Missing Message | When the engine switch on (IG) and the dynamic radar cruise control system is operating, a communication malfunction between the millimeter wave radar sensor assembly and ECM is detected for approximately 1 second or more. | CAN communication system | Cruise Control |
| U012287 | Lost Communication with Vehicle Dynamics Control Module Missing Message | When the engine switch on (IG) and the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake actuator assembly) and ECM is detected for approximately 2.6 seconds or more. | CAN communication system | Cruise Control |
Clear the DTCs.
Make sure that the DTC detection conditions are met.
If the detection conditions are not met, the system cannot detect the malfunction.
Check for DTCs.
| Result | Proceed to |
|---|---|
| DTC U010087, U010487 and U012287 are not output | A |
| DTC U010087, U010487 or U012287 is output | B |
A
B