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 voltage, and sends the detected signals to the hybrid vehicle control ECU via the serial communication system.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U029A-123 | Problem in serial communication between the battery smart unit and hybrid vehicle control ECU (1 trip detection) |
|