DTC U0100-87: Lost Communication With ECM/PCM "A" 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 U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message [03/2023 - ]: Description
These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication line.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message | Lost communication with ECM | CAN communication system | Clearance Warning | B |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | Lost communication with steering sensor | CAN communication system | Clearance Warning | B |
| U0129-87 | Lost Communication With Brake System Control Module Missing Message | Lost communication with No. 2 skid control ECU (brake actuator assembly) | CAN communication system | Clearance Warning | B |
| U0293-87 | Lost Communication With Hybrid Powertrain Control Module Missing Message | Lost communication with hybrid vehicle control ECU | CAN communication system | Clearance Warning | B |
HINT:
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.