PCS2REXB family
PCS2REXB_a055_dcdcATankUncalibrated
Not Available
What does the PCS2REXB_a055_dcdcATankUncalibrated alert mean?
The pack side DCDC converter (DCDCA) resonant tank has not been fully calibrated
What you'll see in your Tesla
- Not Available
What triggers it
A tank capacitance or inductance measurement for DCDCA is not recorded in Non-Volatile Memory (NVM)
When it clears
DCDCA resonant tank calibration data is within specification
Potential impact
DCDC operation allowed with default resonant tank parameters, but risk of damaging the converter due to hard switching
Affected models
Cybertruck
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.