The Navigation Clock Is Off By 1 to 3 Hours After Replacing the Navigation Unit (With Navigation)

The navigation clock is off by 1 to 3 hours after replacing the navigation unit

Diagnostic Procedure:

See service precautions Reading and Clearing Diagnostic Trouble Codes

Also check for:

- Perform map matching Reading and Clearing Diagnostic Trouble Codes
- GPS antenna/cable
- Aftermarket metallic window tint
- Check and adjust the clock settings