Skip to content

TAS_a143 — Short Circuit Boost

Full alert identifier: TAS_a143_shortCircuitBoost

Alert description

Boost air valve detected short circuit.

Potential impact

Air suspension raising will only occur via reservoir or air compressor.

Set condition

Boost air valve output shorted to ground or battery voltage.

Clear condition

Vehicle-power-state cycle from off to on.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Valve Current TAS_a143_valveCurrent A
Valve Voltage TAS_a143_valveVoltage V
Signal Unit
Valve Fault Type TAS_a143_valveFaultType —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of TAS_a143.

Browse all TAS alert codes