DIR_a079 — Adc Ref High
Full alert identifier: DIR_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 DIR_a079. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Adc Ref Chan
DIR_
|
— |
Adc Ref High Avg
DIR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a079.