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GTW_w301 — Ethloop Switch Poor Sqi

Full alert identifier: GTW_w301_ethloopSwitchPoorSqi

Alert description

The vehicle Gateway (GTW) detects poor signal quality on one or more ports of the etherloop switch.

Potential impact

Communication between the various electronic control units (ECUs) may fail.

Set condition

A poor signal quality on any etherloop switch port sets the alert.

Clear condition

A good signal quality on all the etherloop switch ports clears the alert

Signals to check

These diagnostic fields are associated with GTW_w301. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Ethloop Switch Port 1 Sqi GTW_a301_ethloopSwitchPort1Sqi —
Ethloop Switch Port 2 Sqi GTW_a301_ethloopSwitchPort2Sqi —
Ethloop Switch Port 3 Sqi GTW_a301_ethloopSwitchPort3Sqi —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of GTW_w301.

Browse all GTW alert codes