APS_w166
APS_w166_TurboA_SMSLockStepErr
What does APS_w166 mean?
Tesla warning code in the Autopilot System (APS) module. Side Collision Warning Unavailable Warns if forward radar fails to receive valid vehicle signals from APS Forward radar reports that it is receiving invalid vehicle signals from APS Forward radar starts receiving valid vehicle signals from APS APS doesnt receive SC msgs for more than 10 cycles APS starts receiving msgs from SC Warns if APS detects GPS receiver is in a bad state APS detects communication or antenna issues with GPS receiver Navigation and Autosteer will be broken
Original Description
Side Collision Warning Unavailable Warns if forward radar fails to receive valid vehicle signals from APS Forward radar reports that it is receiving invalid vehicle signals from APS Forward radar starts receiving valid vehicle signals from APS APS doesnt receive SC msgs for more than 10 cycles APS starts receiving msgs from SC Warns if APS detects GPS receiver is in a bad state APS detects communication or antenna issues with GPS receiver Navigation and Autosteer will be broken
Severity Notes
APS_w166 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.