| Navigation system stays on the GPS initialization screen |
System Initialization (see SYSTEM INITIALIZATION ) |
- Audio-Navigation unit
- GPS antenna/cable is disconnected or damaged
- Harness/fuses/switches
|
| Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position |
Symptom Troubleshooting (see VEHICLE POSITION ICON CONSTANTLY LEAVES ROAD, MOVES ERRATICALLY, OR IS DISPLAYED VERY FAR FROM ACTUAL VEHICLE POSITION ) |
- Audio-Navigation unit
- GPS antenna/cable
- PCM (speed pulses)
- Harness/fuses/switches
|
| Navigation system does not accept security code |
Symptom Troubleshooting (see NAVIGATION SYSTEM DOES NOT ACCEPT SECURITY CODE
) |
|
| Navigation frequently asks for anti-theft code and/or needs GPS initialization |
Symptom Troubleshooting (see NAVIGATION FREQUENTLY ASKS FOR ANTI-THEFT CODE AND/OR NEEDS GPS INITIALIZATION
) |
- Loss of voltage or poor ground (G503)
- Audio-Navigation unit
- Low battery voltage
- Harness/fuses/switches
|
| GPS icon is white or not shown |
Symptom Troubleshooting (see GPS ICON IS WHITE OR NOT SHOWN
) |
- Audio-Navigation unit
- Aftermarket accessories connected to the system
- GPS antenna/cable
- Harness/fuses/switches
|
| Vehicle icon wanders across the map when driving (does not follow a displayed road) or map or vehicle ICON spins |
Symptom Troubleshooting (see VEHICLE ICON WANDERS ACROSS THE MAP WHEN DRIVING (DOES NOT FOLLOW A DISPLAYED ROAD) OR MAP OR VEHICLE ICON SPINS
) |
- Audio-Navigation unit
- GPS antenna/cable
- PCM (speed signal)
|
| No picture is displayed |
Symptom Troubleshooting (see NO PICTURE IS DISPLAYED
) |
- Audio-Navigation unit
- Harness/fuses/switches
|
| Picture has lines/rolls/other issues or is an odd color |
Symptom Troubleshooting (see PICTURE HAS LINES/ROLLS/OTHER ISSUES OR IS AN ODD COLOR
) |
- Audio-Navigation unit
- Aftermarket accessories connected to the system
- Harness/fuses/switches
|
| Display day/night mode does not work or does not work properly |
|
- The instrument (gauge) brightness setting is set to High in day or night mode
- Gauge control module
- Harness/fuses/switches
|
| System locks up or freezes constantly |
Symptom Troubleshooting (see SYSTEM LOCKS UP OR FREEZES CONSTANTLY
) |
- Audio-Navigation unit
- Harness/fuses/switches
|
| Voice guidance cannot be heard, is broken up, or there is static |
Symptom Troubleshooting (see VOICE GUIDANCE CANNOT BE HEARD, IS BROKEN UP, OR THERE IS STATIC
) |
- Volume or voice feedback setting (see navigation system information)
- Audio-Navigation unit
- Stereo amplifier
- Harness/fuses/switches
|
| Voice control does not work/respond |
Symptom Troubleshooting (see VOICE CONTROL DOES NOT WORK/RESPOND
) |
- Audio-Navigation unit
- Microphone harness/switches
|
| Navigation display buttons do not work or respond properly |
Symptom Troubleshooting (see NAVIGATION DISPLAY BUTTONS DO NOT WORK OR RESPOND PROPERLY
) |
- Audio-Navigation unit
- Open/short between the XM receiver or the GA-Net bus
|
| Today's Destinations button is dim and not selectable in the Enter destination by screen (grayed-out) |
The customer has not entered a group of locations for Today's Destinations. This is normal. The button is only selectable if the customer is using this function |
See navigation system information |
| Some set-up and information functions of the navigation system are grayed-out and do not work |
Customer did not select OK from Disclaimer screen. Refer to DIAGNOSTIC SYSTEM DIAGRAM |
|
| Previous Destinations button is dim and not selectable in the Enter destination by screen (grayed-out) |
The vehicle may be new, or the customer deleted the destination. Enter a destination, and allow the system to route to it. After the trip, the Previous Destinations button will be selectable |
|
| Address cannot be found or system gives poor routing |
- Verify proper operation and system limitations using the navigation system information
- See Answering customer question Navigation coverage in general troubleshooting
- Refer to Database limitation in the navigation system information to report database errors
- Refer to the FAQs in the navigation system information
|
- Database limitations (address not in database)
|
| The map will not display the Southern portion of the U.S. or the Northern parts of Canada |
North American coverage is different for USA/Canada markets. See the Version Diagnostic Screen for details on coverage differences (see VERSION
) |
- See navigation system information
|
| Navigation display stays on with ignition switch in LOCK (0) |
Symptom Troubleshooting (see NAVIGATION DISPLAY STAYS ON WITH IGNITION SWITCH IN LOCK (0)
) |
- Harness/fuses/switches
- Aftermarket accessories connected to the system
|
| Navigation system will not go beyond the disclaimer screen and displays the OK button |
See navigation display buttons do not work or respond properly (see NAVIGATION DISPLAY BUTTONS DO NOT WORK OR RESPOND PROPERLY
) |
|
| The navigation anti-theft code card is lost or missing |
See anti-theft feature (see ANTI-THEFT FEATURE
) |
|
| The vehicle icon lags behind when the vehicle turns |
See self-inertial navigation limitations (see SELF-INERTIAL NAVIGATION LIMITATIONS
) |
- Aftermarket accessories connected to the system
- GPS antenna/cable
|
| Navigation screen is darker than normal or takes time to brighten when it is cold |
See LCD unit limitations (see LCD (LIQUID CRYSTAL DISPLAY) UNIT LIMITATIONS
) |
|
| The navigation clock is off by 1 to 3 hours after replacing the navigation unit |
See service precautions (see AUDIO-NAVIGATION UNIT AND SD MODULE SERVICE PRECAUTIONS
) |
- Do Map Matching (see MAP MATCHING
)
- GPS antenna/cable
- Check and adjust the clock settings
|
| Time is not correct |
Reset Time Adjustment in set-up |
|
| A POI cannot be found |
See How to answer customer questions about navigation coverage (see HOW TO ANSWER CUSTOMER QUESTIONS ABOUT NAVIGATION COVERAGE
) |
- Refer to Database limitation in the navigation system information to report data base error
|
| A specific city cannot be found |
See How to answer customer questions about navigation coverage (see HOW TO ANSWER CUSTOMER QUESTIONS ABOUT NAVIGATION COVERAGE
) |
- Refer to Database limitation in the navigation system information to report data base error
|
| An In Line Diagnosis screen appears every time vehicle is started |
See factory diagnostic screen In Line (see FACTORY DIAGNOSTIC SCREEN IN LINE DIAG
) |
|
| Rearview camera image does not come on or work properly |
Symptom Troubleshooting (see REARVIEW CAMERA IMAGE DOES NOT COME ON OR WORK PROPERLY
) |
No backup signal |
| No traffic information or poor RDS-TMC reception or interference (USA models) |
Symptom Troubleshooting (see NO TRAFFIC INFORMATION OR POOR RDS-TMC RECEPTION OR INTERFERENCE (USA MODELS)
) |
|