DTC U029A-123: Lost Communication with Hybrid Battery Pack Sensor Module: Description
The battery smart unit detects the HV battery conditions (voltage, current, and temperature) and battery cooling fan voltage, and sends the detected signals to the power management control ECU via serial communication.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U029A-123 | Problem in serial communication between the battery smart unit and power management control ECU (1 trip detection) |
|