PCS family
PCS_a038_claFaulted
Not Available
What does the PCS_a038_claFaulted alert mean?
PCS DCDC detects a fault condition in its CLA co-processor
What you'll see in your Tesla
- Not Available
What triggers it
DCDC converter control law accelerator detects irrational condition
When it clears
DCDC converter state machine clears faults
Potential impact
Inability to precharge HV bus, inability to support 12V system, inability to drive
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.