TESLA Warning
APS-W045
APS_w045_radMia
Also written as APS_W045 / APS W045 / APS_w045_radMia / aps_w045_radmia
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does APS-W045 mean?
Tesla APS_w045 / APS_w045_radMia means the Autopilot System reports radar missing in action. It is a warning-level ADAS alert: assisted-driving availability may be limited, so record the exact APS prefix and related alerts before service diagnosis.
Original Description
Radar missing in action
Affected Tesla Models
Tesla vehicles with radar-related Autopilot hardwareConfirm applicability with the vehicle configuration and alert log
What You May Notice
- APS_w045 or APS_w045_radMia appears in the Tesla alert history.
- Autopilot or radar-dependent driver-assistance features may be limited while the alert is active.
- The alert may be confused with APP_w045_radMia, but the APS prefix points to the Autopilot System source record.
How to Diagnose and Resolve
- 1 Record APS_w045 exactly, including the APS prefix, APS_w045_radMia full name, time, state of charge, temperature, and any companion alerts.
- 2 Compare the alert stack for APP, APS, DAS, gateway, radar, or network alerts before clearing history.
- 3 Note whether the alert followed a software update, front-end service, windshield work, bumper repair, calibration event, weather exposure, or a minor impact.
- 4 If Autopilot or driver-assistance features are unavailable, drive manually and avoid relying on assisted-driving features until diagnosis confirms the cause.
- 5 Provide screenshots, the exact alert prefix, and recent driving context to Tesla Service or a qualified EV technician.
Severity Notes
APS-W045 is a Warning in the Autopilot System system. Schedule service soon. Monitor your vehicle for additional warnings.
Other APS Codes
APS_w002 APS_w003 APS_w004 APS_w005 APS_w006 APS_w007 APS_w008 APS_w009
View all APS codes →