BMS-A150
BMS_a150_SW_Missing_Part_Number
Also written as BMS_A150 / BMS A150 / BMS_a150_SW_Missing_Part_Number / bms_a150_sw_missing_part_number
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-A150 mean?
Tesla alert code in the Battery Management System (BMS) module. Incorrect or Missing part number programmed The BMS part number may be missing, incorrect, or unsupported Program the supported part number for the given PCBA variant The BMS is unable to initialize parameters related to PCBA configuration A module is above the maximum permitted temperature The Gateway packEnergy config does not match the pack type GTW_packEnergy is not compatible with the configured pack type GTW_packEnergy is compatible with the configured pack type May indicate an incorrect config block, or that the installed pack is incompatible with the car config
Original Description
Incorrect or Missing part number programmed The BMS part number may be missing, incorrect, or unsupported Program the supported part number for the given PCBA variant The BMS is unable to initialize parameters related to PCBA configuration A module is above the maximum permitted temperature The Gateway packEnergy config does not match the pack type GTW_packEnergy is not compatible with the configured pack type GTW_packEnergy is compatible with the configured pack type May indicate an incorrect config block, or that the installed pack is incompatible with the car config
Affected Tesla Models
What You May Notice
- BMS-A150 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-A150 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.