VCLEFT_a238 — Lumbar Valve MIA
Full alert identifier: VCLEFT_a238_lumbarValveMIA
Alert description
The valveblock isn't inflating or deflating when commanded
Potential impact
lumbar isn't functional
Set condition
commands sent over lin solicit no action from the lumbar
Clear condition
The HSD that powers the lumbar ECU is not on or the LIN status is OK
Signals to check
These diagnostic fields are associated with VCLEFT_a238. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Lumbar A Pressure Hpa
VCLEFT_
|
— |
Lumbar A State
VCLEFT_
|
— |
Lumbar B Pressure Hpa
VCLEFT_
|
— |
Lumbar B State
VCLEFT_
|
— |
Lumbar Diag Status
VCLEFT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a238.