DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [12/2021 - ]: Description
The forward recognition camera 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 | Priority |
|---|---|---|---|---|---|
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message | 3 seconds or more after the ignition switch is turned to ON, while the road sign assist system is on, a communication error between the ECM and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system | Road Sign Assist | B |
| U0101-87 | Lost Communication with TCM Missing Message | 3 seconds or more after the ignition switch is turned to ON, while the road sign assist system is on, a communication malfunction between the forward recognition camera and the TCM is continuously detected for 5 seconds or more. | CAN communication system | Road Sign Assist | B |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | 3 seconds or more after the ignition switch is turned to ON, while the road sign assist system is on, a communication malfunction between the forward recognition camera and the steering sensor is continuously detected for 5 seconds or more. | CAN communication system | Road Sign Assist | B |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | 3 seconds or more after the ignition switch is turned to ON, while the road sign assist system is on, a communication error between the No. 2 skid control ECU (brake actuator assembly) and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system | Road Sign Assist | B |
| U0140-87 | Lost Communication with Body Control Module Missing Message | 3 seconds or more after the ignition switch is turned to ON, while the road sign assist system is on, a communication error between the main body ECU (multiplex network body ECU) and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system | Road Sign Assist | B |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message | 3 seconds or more after the ignition switch is turned to ON, while the road sign assist system is on, a communication error between the combination meter assembly and the forward recognition camera is detected for approximately 50 seconds or more. | CAN communication system | Road Sign Assist | B |