ESP-A084
ESP_a084_BrakeFluidReservoirLow
Also written as ESP_A084 / ESP A084 / ESP_a084_BrakeFluidReservoirLow / esp_a084_brakefluidreservoirlow
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-A084 mean?
Tesla alert code in the Electronic Stability Program (ESP) module. Brake Fluid: Fluid level low. Ensure brake fluid levels are appropriate. Brake fluid level signal from VCFRONT reported low Check brake fluid level and sensor functionality Vehicle braking performance/functionality may degrade Right Front Wheel Speed Sensor Generic Fault. WSS test failure of WSS_FR (Short circuit supply line to UBATT short circuits between sensors any line failure) Invalid Data Received From Drive Motor Control Module B: Alive Counter invalid
Original Description
Brake Fluid: Fluid level low. Ensure brake fluid levels are appropriate. Brake fluid level signal from VCFRONT reported low Check brake fluid level and sensor functionality Vehicle braking performance/functionality may degrade Right Front Wheel Speed Sensor Generic Fault. WSS test failure of WSS_FR (Short circuit supply line to UBATT short circuits between sensors any line failure) Invalid Data Received From Drive Motor Control Module B: Alive Counter invalid
Affected Tesla Models
What You May Notice
- ESP-A084 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-A084 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.