DIR_a078 — Adc Ref Low

Full alert identifier: DIR_a078_adcRefLow

Alert description

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

Potential impact

The vehicle is blocked from shifting out of Park.

Set condition

Any ADC channel reference is below the minimum rational value.

Clear condition

Clears when all ADC channel references are above minimum rational value for 1 second.

Signals to check

These diagnostic fields are associated with DIR_a078. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Adc Ref Chan `DIR_a078_adcRefChan`	—
Adc Ref Low Avg `DIR_a078_adcRefLowAvg`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a078.