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VCFRONT_a170 — Hcm Under Voltage

Full alert identifier: VCFRONT_a170_hcmUnderVoltage

Alert description

The headlamp control module has detected an electrical problem.

Potential impact

One or both headlamps may not function.

Set condition

An undervoltage is detected on the left or right headlamp.

Clear condition

The headlamp no longer detects an undervoltage.

Signals to check

These diagnostic fields are associated with VCFRONT_a170. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Left ECU VCFRONT_a170_leftECU —
Right ECU VCFRONT_a170_rightECU —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a170.

Browse all VCFRONT alert codes