ESP-A011
ESP_a011_12VSystemUndervoltage
Also written as ESP_A011 / ESP A011 / ESP_a011_12VSystemUndervoltage / esp_a011_12vsystemundervoltage
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-A011 mean?
Tesla alert code in the Electronic Stability Program (ESP) module. Voltage across pins 25->38, and 1->13 on the ESP connector below specifications Voltage across pins 25->38, and 1->13 on the ESP connector meets specifications Wheel Speed Sensor swapped rear axle One wheel speed sensor is mounted backwards on the rear axle Fix WSS mounting alignment and power cycle
Original Description
Voltage across pins 25->38, and 1->13 on the ESP connector below specifications Voltage across pins 25->38, and 1->13 on the ESP connector meets specifications Wheel Speed Sensor swapped rear axle One wheel speed sensor is mounted backwards on the rear axle Fix WSS mounting alignment and power cycle
Affected Tesla Models
What You May Notice
- ESP-A011 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-A011 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.