APS_w021
APS_w021_ECU_Temperature_Issue
What does APS_w021 mean?
Tesla warning code in the Autopilot System (APS) module. ECU temperature out of nominal range APS monitors the temperature sensor and alerts when temperature exceeds nominal range Clears when temperature returns to nominal range System may shut down to prevent part damage. AP features will be unavailable Warns if APS fails to receive one or more CAN msgs from VCLEFT on Party Bus APS fails to receive one or more CAN msgs from VCLEFT on Party Bus
Original Description
ECU temperature out of nominal range APS monitors the temperature sensor and alerts when temperature exceeds nominal range Clears when temperature returns to nominal range System may shut down to prevent part damage. AP features will be unavailable Warns if APS fails to receive one or more CAN msgs from VCLEFT on Party Bus APS fails to receive one or more CAN msgs from VCLEFT on Party Bus
Severity Notes
APS_w021 is a Warning in the Autopilot System system. Schedule service soon. Monitor your vehicle for additional warnings.
Other APS Codes
View all APS codes →Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.