TAS2-A077
TAS2_a077_pressureSigVTooLow
What does TAS2-A077 mean?
Tesla alert code in the Thermal Architecture System v2 (TAS2) module. The Tesla Air Suspension Controller (TAS) supplies the system pressure sensor (located in the valve block) with 5V, and observes the analog pressure signal voltage to evaluate the pressure. In normal operation of the pressure sensor, the signal should range from approximately 10-90% of the supply voltage. Set: The gallery pressure sensor signal is below 4% the supply voltage (nominally 5V). voltage < 0.2 V Clear: The gallery pressure sensor signal is above 4% the supply voltage (nominally 5V). voltage > 0.2 V To convert from percent to bar: p(bar) = 23.7248 * p(percent) - 1.375
Original Description
The Tesla Air Suspension Controller (TAS) supplies the system pressure sensor (located in the valve block) with 5V, and observes the analog pressure signal voltage to evaluate the pressure. In normal operation of the pressure sensor, the signal should range from approximately 10-90% of the supply voltage. Set: The gallery pressure sensor signal is below 4% the supply voltage (nominally 5V). voltage < 0.2 V Clear: The gallery pressure sensor signal is above 4% the supply voltage (nominally 5V). voltage > 0.2 V To convert from percent to bar: p(bar) = 23.7248 * p(percent) - 1.375
Severity Notes
TAS2-A077 is an Alert in the Thermal Architecture System v2 system. It is generally safe to continue driving, but have it checked at your next scheduled service.