DI_a139 — Rear Unit Disabled
Full alert identifier: DI_a139_rearUnitDisabled
Alert description
The drive interface (DI) electronic control unit (ECU) is unable to command a unit torque request to the rear drive inverter (DIR) ECU because the rear drive unit is disabled. This alert is set in addition to one or more DIR alert(s) indicating the reason why the rear drive unit is disabled.
Potential impact
The rear drive unit may be disabled, which may prevent torque or power from being produced on the rear wheels.
Set condition
At least one additional alert is present indicating the rear drive unit is disabled. Alert log signal data should provide more information on the specific condition(s) detected.
Clear condition
Additional alert(s) indicating the rear drive unit is disabled clear.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a139.