DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM; DTC U0114: Lost Communication with 4WD Control ECU; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module [08/2017 - 08/2019]: Description
The skid control ECU (brake actuator assembly) receives signals from the ECM, steering angle sensor (spiral with sensor cable sub-assembly), yaw rate and acceleration sensor (airbag sensor assembly) and 4WD control ECU via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0073 | Control Module Communication Bus OFF | The +BS terminal voltage is between 9.6 and a 16.5 V and a bus OFF state occurs for 0.8 seconds or more. | CAN communication system |
| U0100 | Lost Communication with ECM / PCM | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the ECM for 1 second or more. |
|
| U0114 | Lost Communication with 4WD Control ECU | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the 4WD control ECU cannot be received for 1 second or more. |
|
| U0123 | Lost Communication with Yaw Rate Sensor Module | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the yaw rate and acceleration sensor cannot be received for 1 second or more. |
|
| U0126 | Lost Communication with Steering Angle Sensor Module | The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the steering angle sensor cannot be received for 1 second or more. |
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