Is BMS_A002 the same as BMS-A002?

Yes. BMS_A002, BMS A002, and BMS-A002 are alternate spellings of the same Tesla alert code. Also written as: BMS-A002, BMS_A002, BMS A002, BMS_a002_Pack_Performance_Config_Mismatch, bms_a002_pack_performance_config_mismatch.

What symptoms can BMS-A002 cause?

BMS-A002 may appear with another Tesla alert in the Battery Management System (BMS) 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.

What should I check for BMS-A002?

1. Reboot the vehicle (hold both scroll wheels for 10 seconds) 2. Check the Tesla app for any pending software updates 3. Monitor the alert over 1–2 charge cycles; schedule service if it recurs

Is it safe to drive with BMS-A002?

🔵 Do not use this page as drive-clearance. Monitor the alert and arrange service if it returns.

TESLA Alert

BMS-A002

BMS_a002_Pack_Performance_Config_Mismatch

Also written as BMS_A002 / BMS A002 / BMS_a002_Pack_Performance_Config_Mismatch / bms_a002_pack_performance_config_mismatch

System

BMS

Battery Management System

Type

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 BMS-A002 mean?

Tesla alert code in the Battery Management System (BMS) module. The Gateway packPerformanceDeviation config does not match the configured pack type GTW_packPerformanceDeviation is not compatible with the configured pack type GTW_packPerformanceDeviation is compatible with the configured pack type A CAC update resulted in a large change above the alert threshold and was saturated The BMS uses this for indicating that a task is close to using all its stack

Original Description

The Gateway packPerformanceDeviation config does not match the configured pack type GTW_packPerformanceDeviation is not compatible with the configured pack type GTW_packPerformanceDeviation is compatible with the configured pack type A CAC update resulted in a large change above the alert threshold and was saturated The BMS uses this for indicating that a task is close to using all its stack

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

BMS-A002 may appear with another Tesla alert in the Battery Management System (BMS) 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 (hold both scroll wheels for 10 seconds)
2 Check the Tesla app for any pending software updates
3 Monitor the alert over 1–2 charge cycles; schedule service if it recurs

Severity Notes

BMS-A002 is an Alert in the Battery Management System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other BMS Codes

BMS_a001 BMS_a003 Tesla alert code in the Battery Management System (BMS) modu... BMS_a004 Tesla alert code in the Battery Management System (BMS) modu... BMS_a007 Tesla alert code in the Battery Management System (BMS) modu... BMS_a016 Tesla alert code in the Battery Management System (BMS) modu... BMS_a017 BMS_a018 BMS_a019

View all BMS codes →