USM-A226
USM_a226_s12DebugEepromInvalid
Also written as USM_A226 / USM A226 / USM_a226_s12DebugEepromInvalid / usm_a226_s12debugeeprominvalid
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 USM-A226 mean?
Tesla alert code in the Ultrasonic Sensor Module (USM) module. Alert indicating that the sensor EEPROM is invalid Alert indicating at least 1 of the 12 fascia ultrasonic sensors has a hardware error set Alert indicating that the sensor is blocked When the sensor has been detected as blocked When the sensor is no longer blocked Alert indicating that the sensor has exceeded the specified temperature limit When the sensor is reporting a temperature greater than 85C When the sensor is no longer over temperature
Original Description
Alert indicating that the sensor EEPROM is invalid Alert indicating at least 1 of the 12 fascia ultrasonic sensors has a hardware error set Alert indicating that the sensor is blocked When the sensor has been detected as blocked When the sensor is no longer blocked Alert indicating that the sensor has exceeded the specified temperature limit When the sensor is reporting a temperature greater than 85C When the sensor is no longer over temperature
Affected Tesla Models
What You May Notice
- Ultrasonic Sensor Module alert: Alert indicating that the sensor EEPROM is invalid Alert indicating at least 1 of the 12 fascia ultrasonic sensors has a
- Autopark feature disabled
- Sensor obstruction or degraded icon on the touchscreen
How to Diagnose and Resolve
- 1 Check ultrasonic sensors (small circular sensors in bumpers) for dirt or ice
- 2 Clean sensors with a soft cloth and retry
- 3 Reboot the vehicle
- 4 Schedule service if sensors remain unavailable after cleaning
Severity Notes
USM-A226 is an Alert in the Ultrasonic Sensor Module system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.