PCS_a085 — Dcdc Fets Not Switching
Full alert identifier: PCS_a085_dcdcFetsNotSwitching
Alert description
The Power Conversion System (PCS) electronic control unit (ECU) detects the DCDC tank current period is too long, indicating the DCDC metal-oxide-semiconductor field-effect transistor (MOSFETs) are not switching properly.
Potential impact
Vehicle is unable to drive, charge, or support the low voltage (LV) battery / electrical system until the DCDC MOSFETs switch properly.
Set condition
The PCS ECU detects the DCDC MOSFETs are not switching properly.
Clear condition
The PCS ECU detects the DCDC MOSFETs are switching properly.
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 Half Period Us
PCS_
|
us |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a085.