VCBATT1_a244 — Brake Valve ECU eFuse Trip
Full alert identifier: VCBATT1_a244_brakeValveECUEFuseTrip
Alert description
The battery vehicle controller (VCBATT) detects a condition affecting the Brake Valve Electronics Control Unit (ECU) eFuse circuit
Potential impact
Brake assist functionality may be limited.
Set condition
The Brake Valve ECU eFuse High Side Driver (HSD) detects electrical current flow exceeding normal (expected operating) range, causing the Brake Valve ECU eFuse circuit to open (trip).
Clear condition
VCBATT no longer detects the eFuse circuit gating Low Voltage (LV) power feed to the Brake Valve ECU as open (tripped) after a retry or sleep cycle, or the vehicle enters a state where the eFuse is expected to be open (Off).
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 |
|---|---|
Brake Valve ECUE Fuse Current
VCBATT1_
|
A |
Brake Valve ECUE Fuse Voltage
VCBATT1_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT1_a244.