APS family
APS_w020_ECU_checkstopError
Not Available
What does the APS_w020_ECU_checkstopError alert mean?
Autopilot Processor Secondary (APS) receives CPU instruction execution error.
What you'll see in your Tesla
- Not Available
What triggers it
APS receives a CPU exception.
When it clears
Clears on reset / sleep cycle.
Potential impact
Autopilot features will be unavailable.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2012-2020
Model S 2021+
Model X 2015-2020
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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