PCS_a038 — Cla Faulted
Full alert identifier: PCS_a038_claFaulted
Alert description
PCS DCDC detects a fault condition in its CLA co-processor
Potential impact
Inability to precharge HV bus, inability to support 12V system, inability to drive
Set condition
DCDC converter control law accelerator detects irrational condition
Clear condition
DCDC converter state machine clears faults
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 |
|---|---|
Dcdc Hv Bus V
PCS_
|
V |
Dcdc Lv Bus Current A
PCS_
|
A |
Dcdc Lv Bus V
PCS_
|
V |
| Signal | Unit |
|---|---|
Dcdc Cla Fault Code
PCS_
|
— |
Dcdc Pwm Enable Deasserted Count
PCS_
|
— |
Dcdc Pwm Enable Line
PCS_
|
— |
Dcdc Sub State
PCS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a038.