TAS2-A144
TAS2_a144_shortCircuitCompressor
Also written as TAS2_A144 / TAS2 A144 / TAS2_a144_shortCircuitCompressor / tas2_a144_shortcircuitcompressor
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 TAS2-A144 mean?
Tesla alert code in the Thermal Architecture System v2 (TAS2) module. Vehicles without efuse/Vehicle Controller Front (VCFRONT): Tesla Air Suspension (TAS) has determined a short circuit condition on the compressor relay drive circuit. Alert will be set if output is shorted to ground or shorted to 12V. Vehicles with efuse/VCFRONT: efuse/VCFRONT has determined a short circuit condition on the compressor power drive circuit.
Original Description
Vehicles without efuse/Vehicle Controller Front (VCFRONT): Tesla Air Suspension (TAS) has determined a short circuit condition on the compressor relay drive circuit. Alert will be set if output is shorted to ground or shorted to 12V. Vehicles with efuse/VCFRONT: efuse/VCFRONT has determined a short circuit condition on the compressor power drive circuit.
Affected Tesla Models
What You May Notice
- Thermal Architecture System v2 alert: Vehicles without efuse/Vehicle Controller Front (VCFRONT): Tesla Air Suspension (TAS) has determined a short circuit con
- Reduced charging speed in cold weather or battery pre-conditioning required
- HVAC performance may be slightly affected
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Check coolant levels if accessible (Model S/X only)
- 3 Avoid DC fast charging until battery temperature normalizes
- 4 Schedule service if the alert appears in warm ambient conditions
Severity Notes
TAS2-A144 is an Alert in the Thermal Architecture System v2 system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.