PCS2REXA family
PCS2REXA_a137_cycloBMosfetHealthCheckFailed
Not Available
What does the PCS2REXA_a137_cycloBMosfetHealthCheckFailed alert mean?
The Power Conversion System (PCS2) self-performed MOSFET health check is unsuccessful on Cyclo Converter B
What you'll see in your Tesla
- Not Available
What triggers it
The PCS2 ECU does not pass the self-performed MOSFET health check on Cyclo Converter B
When it clears
Cyclo Converter B MOSFET health check passes
Potential impact
DCAC may be limited or unavailable.
Affected models
Cybertruck
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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.