TAS2-A162
TAS2_a162_compressorValveOpenGND
Also written as TAS2_A162 / TAS2 A162 / TAS2_a162_compressorValveOpenGND / tas2_a162_compressorvalveopengnd
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-A162 mean?
Tesla alert code in the Thermal Architecture System v2 (TAS2) module. This alert checks for disconnected ground to the exhaust/boost valves every 10ms. Set: If both of the following are true: Open circuit fault is true when a valve is commanded open.Short circuit fault is true when a valve is commanded close.Clear: Single drive-rail cycle
Original Description
This alert checks for disconnected ground to the exhaust/boost valves every 10ms. Set: If both of the following are true: Open circuit fault is true when a valve is commanded open.Short circuit fault is true when a valve is commanded close.Clear: Single drive-rail cycle
Affected Tesla Models
What You May Notice
- Thermal Architecture System v2 alert: This alert checks for disconnected ground to the exhaust/boost valves every 10ms. Set: If both of the following are true
- 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-A162 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.