VCLEFT_a201 — Precharge Failed
Full alert identifier: VCLEFT_a201_prechargeFailed
Alert description
The Left Vehicle Controller (VCLEFT) precharge circuit did not raise the voltage to the target voltage in the expected amount of time.
Potential impact
The load being precharged may not turn on. Vehicle functions relying on the load being precharged may not operate as expected.
Set condition
The load voltage does not meet the power source voltage in the expected amount of time.
Clear condition
The desired power feed is no longer requested or VCLEFT is reset.
Signals to check
These diagnostic fields are associated with VCLEFT_a201. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Load Voltage
VCLEFT_
|
V |
Precharge Channel
VCLEFT_
|
— |
Source Voltage
VCLEFT_
|
V |
Timeout
VCLEFT_
|
ms |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a201.