Manufacturer Code Charts: 1301

Navigation System DTC Troubleshooting: 1301

DTC 1301:

GPS Antenna Error

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- This navigation DTC sets when there is poor connectors or loose terminals at the GPS antenna connector or an open in GPS antenna lead.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.
- Make sure the vehicle is parked outside, away from buildings.
- Aftermarket electronic devices located near the audio-navigation unit or GPS antenna can potentially interfere with the operation of the navigation system.

1. Clear the hard error code.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Check for the hard error code.

Is DTC 1301 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time.�

4. Turn the ignition switch to LOCK (0).

5. Check for poor connections or loose terminals at the audio-navigation unit connector H (2P).

6. Clear the hard error code.

7. Turn the ignition switch to LOCK (0), and then back to ON (II).

8. Check for the hard error code.

Is DTC 1301 indicated?

YES -

Go to step 9.

NO -

Intermittent failure, the system is OK at this time.�

9. Turn the ignition switch to LOCK (0).

10. Replace a known-good GPS antenna Service and Repair.

11. Turn the ignition switch to ON (II).

12. Clear the hard error code.

13. Turn the ignition switch to LOCK (0), and then back to ON (II).

14. Check for the hard error code.

Is DTC 1301 indicated?

YES -

Check the antenna lead for an open or short to ground between the navigation unit and the GPS antenna. If OK, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation).�

NO -

Replace the original GPS antenna Service and Repair.�