PCS2_a188 — Precharge With Low LV Detected
Full alert identifier: PCS2_a188_prechargeWithLowLVDetected
Alert description
During a high-voltage (HV) precharge session, the lowest low-voltage (LV) bus voltage observed dropped below the low-LV alert threshold, indicating a weak LV power supply (for example a cold or degraded 12 V battery, or an undersized LV jumper).
Potential impact
This information is not available in the alert reference.
Set condition
This information is not available in the alert reference.
Clear condition
This information is not available in the alert reference.
Signals to check
These diagnostic fields are associated with PCS2_a188. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Hv Voltage Max During Precharge
PCS2_
|
— |
Hv Voltage Target
PCS2_
|
— |
Lv Voltage At Precharge Start
PCS2_
|
— |
Lv Voltage Min During Precharge
PCS2_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS2_a188.