Diagnostic Procedure

Vehicle position icon wanders across the map when driving (does not follow a displayed road) or map vehicle ICON spins

Symptom Troubleshooting Symptom Troubleshooting

Also Check for

Audio-navigation unit

Also Check for

GPS antenna/cable

Also Check for

Aftermarket metallic window tint

Also Check for

ECM/PCM (vehicle speed pulse)

Also Check for

Internal defect in GPS antenna