DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message [12/2021 - ]: Description
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 | MIL | DTC Output from |
|---|---|---|---|---|---|
| U0100-87 | 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 | Does not come on | Radar Cruise1 |
| U0104-87 | Lost Communication with Cruise Control Module Missing Message | When the ignition switch is ON 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 | Does not come on | Radar Cruise1 |
| U0122-87 | Lost Communication with Vehicle Dynamics Control Module Missing Message | When the ignition switch is ON 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 | Does not come on | Radar Cruise1 |