VCLEFT_a129 — Blower IC Latch Fault
Full alert identifier: VCLEFT_a129_blowerICLatchFault
Alert description
The brushless motor has an integrated circuit (LV8907 or DRV8305) latched fault
Potential impact
The HVAC cabin blower will not be able to run. The integrated circuit will be reset to attempt to clear the fault
Set condition
The integrated circuit has detected a condition that requires a stop
Clear condition
The LV8907 integrated circuit no longer detects a fault that requires a stop.
Signals to check
These diagnostic fields are associated with VCLEFT_a129. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Avdd uvlo
VCLEFT_
|
— |
Otsd
VCLEFT_
|
— |
Pvdd uvlo2
VCLEFT_
|
— |
Sns a ocp
VCLEFT_
|
— |
Sns b ocp
VCLEFT_
|
— |
Sns c ocp
VCLEFT_
|
— |
Vcph ovlo abs
VCLEFT_
|
— |
Vcph uvlo
VCLEFT_
|
— |
Show 19 more fields
| Signal | Unit |
|---|---|
Vcph uvlo2
VCLEFT_
|
— |
Vcp lsd uvlo2
VCLEFT_
|
— |
Vds ha
VCLEFT_
|
— |
Vds hb
VCLEFT_
|
— |
Vds hc
VCLEFT_
|
— |
Vds la
VCLEFT_
|
— |
Vds lb
VCLEFT_
|
— |
Vds lc
VCLEFT_
|
— |
Vgs ha
VCLEFT_
|
— |
Vgs hb
VCLEFT_
|
— |
Vgs hc
VCLEFT_
|
— |
Vgs la
VCLEFT_
|
— |
Vgs lb
VCLEFT_
|
— |
Vgs lc
VCLEFT_
|
— |
Vreg uv
VCLEFT_
|
— |
Wd fault
VCLEFT_
|
— |
Fet Short Circuit
VCLEFT_
|
— |
Locked Rotor
VCLEFT_
|
— |
Over Current Error
VCLEFT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a129.