TESLA Alert

IBST-A006

IBST_a006_microSafetyLogicFault

Also written as IBST_A006 / IBST A006 / IBST_a006_microSafetyLogicFault / ibst_a006_microsafetylogicfault

System
IBST
Integrated Brake System
Type
Alert
Category
Chassis
Severity
Alert

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 IBST-A006 mean?

Tesla alert code in the Integrated Brake System (IBST) module. Startup safety test detected a failure of uC safety logic. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit.

Original Description

Startup safety test detected a failure of uC safety logic. ECU internal fault, check wiring to the unit and/or re-flash. If problem continures after several power cycles, reolace unit.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Integrated Brake System alert: Startup safety test detected a failure of uC safety logic. ECU internal fault, check wiring to the unit and/or re-flash.
  • No noticeable change in braking performance under normal driving

How to Diagnose and Resolve

  1. 1 Reboot the vehicle
  2. 2 Monitor over the next few drives
  3. 3 Schedule service if the alert reappears

Severity Notes

IBST-A006 is an Alert in the Integrated Brake System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other IBST Codes

IBST_a001 IBST_a002 IBST_a003 IBST_a004 IBST_a005 IBST_a007 IBST_a008 IBST_a009
View all IBST codes →