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DIF_a079 — Adc Ref High

Full alert identifier: DIF_a079_adcRefHigh

Alert description

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference above the upper rational bound.

Potential impact

The vehicle is blocked from shifting out of Park.

Set condition

Any ADC channel reference is above the maximum rational value.

Clear condition

Clears when all ADC channel references are below the maximum rational value for 1 second.

Signals to check

These diagnostic fields are associated with DIF_a079. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Adc Ref Chan DIF_a079_adcRefChan —
Adc Ref High Avg DIF_a079_adcRefHighAvg —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a079.

Browse all DIF alert codes