TAS_a177 — Hv Pack Pressurization Fault
Full alert identifier: TAS_a177_hvPackPressurizationFault
Alert description
Pressurize high voltage (HV) battery pack factory routine unable to validate Scuba valve block operation.
Potential impact
Wade functionality is not available.
Set condition
Alert log signal data should provide more information on how the system was unable to pressurize the pack due to hardware issues related to airlines, pressure sensor, or valves.
Clear condition
This alert is used for logging purposes only and should clear automatically when the factory routine to pressurize the pack runs again.
Signals to check
These diagnostic fields are associated with TAS_a177. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Blocked Or Open Airline Detected
TAS_
|
— |
Constant Pressure Check Failed
TAS_
|
— |
Hv Pack Pressure Invalid
TAS_
|
— |
Hw Dependencies Not Met
TAS_
|
— |
Pack Pressure Derivative Too High
TAS_
|
— |
Pack Pressure High Pre Test
TAS_
|
— |
Pack Pressure Timeout
TAS_
|
— |
Reservoir Pressure Low
TAS_
|
— |
Show 1 more field
| Signal | Unit |
|---|---|
State
TAS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of TAS_a177.