TESLA Diagnostic

ESP-D123

ESP_d123_rcmLostComm

Also written as ESP_D123 / ESP D123 / ESP_d123_rcmLostComm / esp_d123_rcmlostcomm

System
ESP
Electronic Stability Program
Type
Diagnostic
Category
Chassis
Severity
Diagnostic / Info

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-D123 mean?

Tesla diagnostic code in the Electronic Stability Program (ESP) module. Lost Communication With Air Bag Control Module: Message Timeout.

Original Description

Lost Communication With Air Bag Control Module: Message Timeout.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • ESP-D123 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. 1 Reboot the vehicle by holding both scroll wheels
  2. 2 Check for available OTA software updates
  3. 3 If alert persists after reboot, schedule a service appointment

Severity Notes

ESP-D123 is a diagnostic or informational code in the Electronic Stability Program system. Typically no immediate action is required.

Other ESP Codes

ESP_a001 ESP_a002 Tesla alert code in the Electronic Stability Program (ESP) m... ESP_a003 ESP_a004 ESP_a005 ESP_a006 ESP_a007 ESP_a008 Tesla alert code in the Electronic Stability Program (ESP) m...
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