Symptoms - Navigation Systems: Notes
WARNING: This page is about a different car, the 2005 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The following steps must be completed before using the symptom tables.
- Perform the Diagnostic System Check - Vehicle
in Vehicle DTC Information before using the Symptom Tables in order to verify that all of the following are true:
- There are no DTCs set.
- The control modules can communicate via the serial data link.
- Review Navigation System Description and Operation in order to familiarize yourself with the system functions.