VCRIGHT_a121 — eFuse Management Continuous16 V
Full alert identifier: VCRIGHT_a121_eFuseManagementContinuous16V
Alert description
Unexpected voltage seen on continuous device outputs
Potential impact
Electrical loads for On-Board Diagnostic (OBD) port power, spare 16V High-Side Drivers (HSDs), 16V brake valve power feed, cabin HVAC temperature fan, footwell LEDs, glovebox LED, B-pillar camera heater, brake controller wake line, sun visor LED, fascia camera heater, and frunk LED may be unavailable.
Set condition
Voltage is above 10V for 200ms on at least one of the device outputs while none of them are being driven
Clear condition
Voltage is below 10V and 10 seconds have passed since alert was set. If the alert sets 3 or more times, controller reset is required.
Signals to check
These diagnostic fields are associated with VCRIGHT_a121. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Continuous 16 VE Fuse Monitor Voltage
VCRIGHT_
|
V |
E Fuse Trip Count
VCRIGHT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCRIGHT_a121.