Skip to content

VCFRONT_a159 — Coolant Valve Fault

Full alert identifier: VCFRONT_a159_coolantValveFault

Alert description

The coolant valve has stalled while trying to reach a specific angle target. Cabin HVAC / climate control cooling (air conditioning) may be limited and drive power may be reduced.

Potential impact

Cabin HVAC / climate control cooling (air conditioning) may be limited. Drive power may also be limited due to low coolant flow, and a separate alert will be present to indicate this condition.

Set condition

Coolant valve has stalled when attempting to reach an angle target.

Clear condition

Coolant valve has reached the necessary angle target.

Signals to check

These diagnostic fields are associated with VCFRONT_a159. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Angle Actual VCFRONT_a159_angleActual deg
Angle Target VCFRONT_a159_angleTarget deg
Stall VCFRONT_a159_stall —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a159.

Browse all VCFRONT alert codes