DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message [12/2022 - 03/2023]: Description
The object 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 |
|---|---|---|---|---|---|
| U0129-87 | Lost Communication with Brake System Control Module "A" Missing Message | After 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and No. 2 skid control ECU (brake actuator sub-assembly) for approximately 5 seconds or more. | CAN communication system | Front Side Radar "A" | B |
| U0131-87 | Lost Communication with Power Steering Control Module "A" Missing Message | After 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and power steering ECU assembly for approximately 4 seconds or more. | CAN communication system | Front Side Radar "A" | B |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing Message | When the vehicle speed is 5 km/h or more and 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and hybrid vehicle control ECU for 11 seconds or more. | CAN communication system | Front Side Radar "A" | B |