APS-W219
APS_w219_lcTempUnavailableSpeed
Also written as APS_W219 / APS W219 / APS_w219_lcTempUnavailableSpeed / aps_w219_lctempunavailablespeed
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-W219 mean?
Tesla warning code in the Autopilot System (APS) module. Warns if expected radar fw version does not match the actual radar fw version Expected radar fw version does not match the actual radar fw version Radar fw is updated to match the expected radar fw version APS does not receive one or more msgs from SDM/RCM for more than 10 cycles Clears when SDM/RCM msgs are received again Features that depend on SDM/RCM msgs will be disabled Warns if APS fails to receive one or more msgs from Backup Autopilot APS failed to receive one or more msgs from Backup Autopilot APS starts receiving all msgs from Backup Autopilot at expected rate Body Controller missing in action APS does not receive one or more msgs from Body Controller for more than 10 cycles Clears when Body Controller msgs are received again Features that depend on Body Controller msgs will be disabled Warns if APS fails to receive one or more CAN msgs from RCM on Party Bus APS fails to receive one or more CAN msgs from RCM on Party Bus APS starts receiving all CAN msgs from RCM AP features will be disabled since APS forwards these msgs to radar Warns if APS failed to initialize the ethernet switch correctly Ethernet switch programming fails or returns error Ethernet switch is correctly initialized AP communication over ethernet will be broken
Original Description
Warns if expected radar fw version does not match the actual radar fw version Expected radar fw version does not match the actual radar fw version Radar fw is updated to match the expected radar fw version APS does not receive one or more msgs from SDM/RCM for more than 10 cycles Clears when SDM/RCM msgs are received again Features that depend on SDM/RCM msgs will be disabled Warns if APS fails to receive one or more msgs from Backup Autopilot APS failed to receive one or more msgs from Backup Autopilot APS starts receiving all msgs from Backup Autopilot at expected rate Body Controller missing in action APS does not receive one or more msgs from Body Controller for more than 10 cycles Clears when Body Controller msgs are received again Features that depend on Body Controller msgs will be disabled Warns if APS fails to receive one or more CAN msgs from RCM on Party Bus APS fails to receive one or more CAN msgs from RCM on Party Bus APS starts receiving all CAN msgs from RCM AP features will be disabled since APS forwards these msgs to radar Warns if APS failed to initialize the ethernet switch correctly Ethernet switch programming fails or returns error Ethernet switch is correctly initialized AP communication over ethernet will be broken
Affected Tesla Models
What You May Notice
- Autopilot System alert: Warns if expected radar fw version does not match the actual radar fw version Expected radar fw version does not match t
- Camera or sensor obstruction notification on the touchscreen
- Autopilot features greyed out in the drive settings menu
How to Diagnose and Resolve
- 1 Check all cameras and sensors for dirt, ice, or obstructions — clean if needed
- 2 Reboot the vehicle
- 3 Check for OTA updates (Autopilot improvements are frequently delivered OTA)
- 4 Schedule service if Autopilot remains unavailable after cleaning and rebooting
Severity Notes
APS-W219 is a Warning in the Autopilot System system. Schedule service soon. Monitor your vehicle for additional warnings.