CP family
CP_a090_ccsEvseLowIso
Not Available
What does the CP_a090_ccsEvseLowIso alert mean?
During a DC fast charging session at a Combined Charging System (CCS) charging station, the electric vehicle supply equipment (EVSE) reports low isolation resistance.
What you'll see in your Tesla
- Not Available
What triggers it
The CCS DC EVSE reports low isolation resistance during a charging session.
When it clears
The CCS DC EVSE reports nominal isolation resistance or the communication channel with the EVSE is no longer established.
Potential impact
CCS charging may not start or may be interrupted.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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