A/T Gear Position Indicator Does Not Come on While the Shift Lever Is In That Position; Shift Indicator Does Not Work

A/T gear position indicator does not come on while the shift lever is in that position; shift indicator does not work

Diagnostic Procedure:

1. F-CAN communication line error

2. Gauge control module defective

3. PCM defective

4. Transmission range switch defective or out of adjustment

5. Shift cable broken or out of adjustment

6. Connection between the shift cable and transmission or body is worn

Also check for:

- Check the F-CAN communication line for a DTC. F-CAN Circuit Troubleshooting
- Check the F-CAN communication line by using the gauge control module self-diagnostic function. Reading and Clearing Diagnostic Trouble Codes
- Check the A/T gear position indicator drive circuit in the gauge control module by using the gauge control module self-diagnostic function. Reading and Clearing Diagnostic Trouble Codes
- Inspect the transmission range switch. Testing and Inspection
- Check for a loose shift cable at the shift lever and the selector control lever.