ESP-A014
ESP_a014_WSSSupplyUndervoltage
Also written as ESP_A014 / ESP A014 / ESP_a014_WSSSupplyUndervoltage / esp_a014_wsssupplyundervoltage
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 ESP-A014 mean?
Tesla alert code in the Electronic Stability Program (ESP) module. Wheel speed sensor supply voltage low. HW issue in WSS power supply lines Check WSS harness for continuity and voltage at output May disable VDC/TC and degrade ABS
Original Description
Wheel speed sensor supply voltage low. HW issue in WSS power supply lines Check WSS harness for continuity and voltage at output May disable VDC/TC and degrade ABS
Affected Tesla Models
What You May Notice
- ESP-A014 may appear with another Tesla alert in the Electronic Stability Program (ESP) system.
- The vehicle may limit charging, driving, comfort, or safety features depending on the active alerts.
- The alert may clear after sleep, but recurring alerts should be treated as service-relevant.
How to Diagnose and Resolve
- 1 Reboot the vehicle by holding both scroll wheels
- 2 Check for available OTA software updates
- 3 If alert persists after reboot, schedule a service appointment
Severity Notes
ESP-A014 is an Alert in the Electronic Stability Program system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.