ESP-A056
ESP_a056_ReLWSSMaxSpeedExceeded
Also written as ESP_A056 / ESP A056 / ESP_a056_ReLWSSMaxSpeedExceeded / esp_a056_relwssmaxspeedexceeded
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-A056 mean?
Tesla alert code in the Electronic Stability Program (ESP) module. HW failure in wheel speed sensor Brake Pressure Sensor A: Line Short to Ground or Interruption. Pressure Sensor Master Cylinder 1 Line Error
Original Description
HW failure in wheel speed sensor Brake Pressure Sensor A: Line Short to Ground or Interruption. Pressure Sensor Master Cylinder 1 Line Error
Affected Tesla Models
What You May Notice
- ESP-A056 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-A056 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.