DI_a023 — Car Not Parked

Full alert identifier: DI_a023_carNotParked

Alert description

The drive interface (DI) electronic control unit (ECU) detects that the electronic park brake (EPC) ECU is missing (MIA) and as a result cannot honor the park request.

Potential impact

The parking brake is not set.

Set condition

The DI ECU does not receive the expected CAN messages from the EPB ECU.

Clear condition

The DI ECU receives the expected controller area network (CAN) messages from the EPB ECU.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a023.

DI_a129 — Epb Not Applied DI_a129_epbNotApplied The drive interface (DI) electronic control unit (ECU) detects a condition that prevents the electronic parking brake (EPB) from being set while the vehicle is not moving.
DI_a227 — Contactors Not Closed DI_a227_contactorsNotClosed The drive interface (DI) electronic control unit (ECU) has not started the drive rail yet because the high voltage (HV) system is not yet energized for drive.
DI_a175 — Crs Not Available DI_a175_crsNotAvailable The drive interface (DI) electronic control unit (ECU) detects a condition that prevents it from engaging cruise control.
DI_a167 — Key Not Authenticated DI_a167_keyNotAuthenticated The drive interface (DI) electronic control unit (ECU) does not detect a valid key (key card, key fob, phone as key, or Tesla mobile app).
DI_a171 — Drive Rail Not Requested DI_a171_driveRailNotRequested The drive interface (DI) electronic control unit (ECU) cannot confirm that a vehicle controller ECU requested a drive state, and as a result blocks shifting into Drive or Reverse.

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