VCREAR_a098 — DIR MIA

Full alert identifier: VCREAR_a098_DIR_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the rear drive inverter (DIR) electronic control unit (ECU) is not received, indicating the DIR ECU may be unavailable (MIA).

Potential impact

Vehicle speed and power may be limited.

Set condition

One or more of the expected messages from the DIR ECU is not received.

Clear condition

The vehicle controller starts receiving the expected messages from the DIR ECU.

Signals to check

These diagnostic fields are associated with VCREAR_a098. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
DIPR Torque `VCREAR_a098_DIPR_torque`	—
EGGLEFTPRIV Torque `VCREAR_a098_EGGLEFTPRIV_torque`	—
EGGRIGHTPRIV Torque `VCREAR_a098_EGGRIGHTPRIV_torque`	—
LC Torque `VCREAR_a098_LC_torque`	—
LOOP Temperature `VCREAR_a098_LOOP_temperature`	—
LOOP Thermal Control `VCREAR_a098_LOOP_thermalControl`	—
RC Torque `VCREAR_a098_RC_torque`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a098.