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