TAS_a201 — Low HV Battery

Full alert identifier: TAS_a201_lowHVBattery

Historical alert: retained from an earlier reference.

Alert description

Received a 12V low shed request.

Potential impact

Air suspension leveling will be disabled.

Set condition

Received a 12V low shed request.

Clear condition

No longer requested to load shed.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of TAS_a201.

TAS_a201 — Low12 V Battery TAS_a201_low12VBattery The Tesla Air Suspension (TAS) electronic control unit (ECU) has received a vehicle controller request to shed electrical loads and enter low power mode.
TAS_a293 — Front Axle Too Low TAS_a293_frontAxleTooLow Front axle has been measured to be lower than any reasonable height.
TAS_a294 — Rear Axle Too Low TAS_a294_rearAxleTooLow Rear axle has been measured to be lower than any reasonable height.
TAS_a077 — Pressure Sig V Too Low TAS_a077_pressureSigVTooLow Pressure sensor signal voltage too low; likely disconnected.
TAS_a228 — PW Mfast Detect RL TAS_a228_PWMfastDetectRL Abnormal PWM signal received from rear left PWM height sensor. More sensitive than other ride height sensor alerts.

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