TAS_a149 — Board Fault Reservoir
Full alert identifier: TAS_a149_boardFaultReservoir
Alert description
Implausible condition detected on reservoir air valve circuit, possibly due to ECU hardware failure.
Potential impact
Air suspension raising will only occur via air compressor.
Set condition
Implausible condition detected on reservoir air valve circuit, possibly due to ECU hardware failure.
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_
|
A |
Valve Voltage
TAS_
|
V |
| Signal | Unit |
|---|---|
Valve Fault Type
TAS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of TAS_a149.