DTC U029A-87: Lost Communication with Hybrid/EV Battery Sensor Module Missing Message [06/2020 - ]: Description
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The battery voltage sensor detects the HV battery conditions (voltage, current and temperature) and the battery cooling fan frequency, and sends the detected signals to the hybrid vehicle control ECU assembly via serial communication. (The hybrid vehicle control ECU assembly does not send signals to the battery voltage sensor.)
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| U029A-87 | Lost Communication with Hybrid/EV Battery Sensor Module Missing Message | Serial communication error between the hybrid vehicle control ECU assembly and battery voltage sensor: The hybrid vehicle control ECU assembly cannot receive signals from the battery voltage sensor correctly. (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |