While ignition switch is in the ON position the D3 indicator remains on in all shift lever positions or fails to come on at all

When you turn the ignition switch to ON (II), the D3 indicator comes on and stays on in all shift lever positions, or it never comes on at all

F-CAN communication line error

Gauge control module defective

PCM defective

Notes

Check the F-CAN communication line F-CAN Circuit Troubleshooting.

Notes

Check the F-CAN communication line by using the gauge control module self-diagnostic function.

Notes

Check the A/T gear position indicator drive circuit in the gauge control module by using gauge control module self-diagnostic function Testing and Inspection.