VCREAR_a392 — Air Comp Output Stuck On
Full alert identifier: VCREAR_a392_airCompOutputStuckOn
Alert description
The vehicle controller detects output voltage from the air compressor for the air suspension system when none is expected. The vehicle controller's fused high current eFuse circuit will be used to deenergize the air compressor.
Potential impact
The air compressor for the air suspension system is unavailable, making air suspension functionality limited or unavailable.
Set condition
Air compressor output voltage is detected when the air compressor has been requested off.
Clear condition
Clears automatically on vehicle power state cycle.
Signals to check
These diagnostic fields are associated with VCREAR_a392. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Current
VCREAR_
|
A |
Time Off
VCREAR_
|
milliseconds |
Voltage
VCREAR_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a392.