TESLA Alert

TAS-A151

TAS_a151_boardFaultBoost

Also written as TAS_A151 / TAS A151 / TAS_a151_boardFaultBoost / tas_a151_boardfaultboost

System
TAS
Thermal Architecture System
Type
Alert
Category
HVAC
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 TAS-A151 mean?

Tesla alert code in the Thermal Architecture System (TAS) module. Gallery pressure too high.

Original Description

Gallery pressure too high.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Thermal Architecture System alert: Gallery pressure too high.
  • Reduced charging speed in cold weather or battery pre-conditioning required
  • HVAC performance may be slightly affected

How to Diagnose and Resolve

  1. 1 Reboot the vehicle
  2. 2 Check coolant levels if accessible (Model S/X only)
  3. 3 Avoid DC fast charging until battery temperature normalizes
  4. 4 Schedule service if the alert appears in warm ambient conditions

Severity Notes

TAS-A151 is an Alert in the Thermal Architecture System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other TAS Codes

View all TAS codes →