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VCFRONT_a126 — Thml Fan IC Warning

Full alert identifier: VCFRONT_a126_thmlFanICWarning

Alert description

The integrated circuit (IC) in the front vehicle controller (VCFRONT) reports a condition affecting thermal fan functionality. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.

Potential impact

The thermal fan may not function as expected. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.

Set condition

The front vehicle controller (VCFRONT) integrated circuit (IC) detects and reports a condition that may affect thermal fan functionality.

Clear condition

The front vehicle controller (VCFRONT) integrated circuit (IC) no longer detects and reports a condition that may affect thermal fan functionality.

Signals to check

These diagnostic fields are associated with VCFRONT_a126. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Junction Over Temp VCFRONT_a126_junctionOverTemp —
Junction Temp Warning VCFRONT_a126_junctionTempWarning —
Loss Of Speed Lock VCFRONT_a126_lossOfSpeedLock —
Start Up Operation VCFRONT_a126_startUpOperation —
Vcc Under Voltage VCFRONT_a126_vccUnderVoltage —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a126.

Browse all VCFRONT alert codes