When Turning Ignition Switch to On, the D3 Indicator Comes On and Stays On All Shift Positions, or Never Comes 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

D3 switch defective

D3 switch circuit defective

Notes

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

Notes

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

Notes

Check the D3 switch circuit D3 Switch Circuit Troubleshooting.

Notes

Check the D3 switch D3 Switch Test.