CP family
CP_a071_exiDecodeFailure
Not Available
What does the CP_a071_exiDecodeFailure alert mean?
The charge port (CP) electronic control unit (ECU) is unable to read the received Combined Charging System (CCS) vehicle to grid (V2G) messages.
What you'll see in your Tesla
- Not Available
What triggers it
The CP ECU is unable to read the expected V2G messages.
When it clears
Clears automatically when the vehicle sleeps or the CP ECU is reset.
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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