The Navigation Clock Is Off By 1 To 3 Hours After Replacing The Audio-Navigation Unit

The navigation clock is off by 1 to 3 hours after replacing the audio-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
- Check and adjust the clock settings