PCS2 family
PCS2_a103_IsoTempSensorIrrational
Not Available
What does the PCS2_a103_IsoTempSensorIrrational alert mean?
An isolated temperature sensor measurement becomes irrational
What you'll see in your Tesla
- Not Available
What triggers it
An isolated temperature sensor measurement timing is beyond rational limits
When it clears
An isolated temperature sensor measurement timing falls back within rational limits
Potential impact
DCDC and AC Charging may be limited or unavailable.
Affected models
Model 3 2017-2023
Model 3 2024+
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.