Transmission Shifts Into 5th Or 6th Gear In D Even Though the D4 Switch is Pressed (6-Speed A/T)

Transmission shifts into 5th or 6th gear in D even though the D4 switch is pressed

D4 switch defective

D4 switch circuit defective

Transmission range switch defective

Notes

Check the D4 switch D4 Switch Test (6-Speed A/T).

Notes

Check the D4 switch circuit D4 Switch Circuit Troubleshooting (6-Speed A/T).

Notes

Inspect the transmission range switch Transmission Range Switch Test (6-Speed A/T).