TESLA Alert

TAS-A105

TAS_a105_ECUDebugMode

Also written as TAS_A105 / TAS A105 / TAS_a105_ECUDebugMode / tas_a105_ecudebugmode

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-A105 mean?

Tesla alert code in the Thermal Architecture System (TAS) module. SBC has debug jumper set.

Original Description

SBC has debug jumper set.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Thermal Architecture System alert: SBC has debug jumper set.
  • 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-A105 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

TAS_a001 TAS_a002 Tesla alert code in the Thermal Architecture System (TAS) mo... TAS_a003 TAS_a012 TAS_a015 Tesla alert code in the Thermal Architecture System (TAS) mo... TAS_a021 TAS_a022 TAS_a025
View all TAS codes →