VCBATT_a231 — 12 V Temp Sens Short
Full alert identifier: VCBATT_a231_12VTempSensShort
Alert description
The vehicle controller is reporting a short circuit on the low voltage (LV) battery temperature sensor, indicating damage to the sensor or wiring harness.
Potential impact
A default voltage setpoint is used when charging the LV battery, instead of optimizing the voltage setpoint based on the LV battery's actual temperature. The LV battery may experience accelerated degradation if this continues.
Set condition
The LV battery temperature sensor circuit reads a power rail reference voltage, indicating a short circuit.
Clear condition
The LV battery temperature sensor circuit no longer reads a power rail reference voltage.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
12 V Temperature
VCBATT_
|
C |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a231.