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DTC Troubleshooting Index

DTC TROUBLESHOOTING CHART

DTC Description Circuit Failure Detection Page Also Check for
1001  FROM System Info Error Flash ROM management Audio-navigation unit internal data error. DTC Troubleshooting Low or weak battery voltage.
1101  Media Bus Send Error Media condition monitoring Audio-navigation unit internal media error. DTC Troubleshooting Low or weak battery voltage.
1201  DVD High Temp DVD drive Audio-navigation unit temperature above the upper limit. Failure in audio-navigation unit fan circuit. DTC Troubleshooting
  • Low or weak battery voltage.
  • High temperature around the audio-navigation unit.
  • Clogged cooling fan screen on the back of the audio-navigation unit.
1202  DVD Low Temp DVD drive Audio-navigation unit temperature below the lower limit. DTC Troubleshooting
  • Low or weak battery voltage.
  • Low temperature around the audio-navigation unit.
1301  GPS Antenna Error GPS Antenna GPS antenna circuit malfunction. DTC Troubleshooting Low or weak battery voltage.
1302  GPS Receiver Error 1 GPS Receiver (internal) GPS antenna circuit malfunction. Audio-navigation unit internal GPS receiver malfunction. DTC Troubleshooting Low or weak battery voltage.
1303  GPS Receiver Error 2 GPS Receiver (internal) Audio-navigation unit internal GPS receiver malfunction. DTC Troubleshooting Low or weak battery voltage.
1305  Gyro Error 2: ECU Temp XX°C Gyro Audio-navigation unit internal gyro malfunction. DTC Troubleshooting
  • Low or weak battery voltage.
  • Temperature is too high or low in the audio-navigation unit.
  • Clogged cooling fan screen on the back of the audio-navigation unit.
1306  Vehicle Speed Pulse Vehicle Speed Pulse VSP circuit malfunction. DTC Troubleshooting Check for F-CAN DTCs.
1307  DVD Read Error DVD Scratched/Dirty DVD or audio-navigation unit internal DVD ROM drive. DTC Troubleshooting Low or weak battery voltage.
1402  Audio Error 2 CD Mechanical malfunction in the audio-navigation unit. DTC Troubleshooting Low or weak battery voltage.
2601  Display Diag: Connect Display GA-Net bus circuit malfunction (open/short). ECU bus circuit malfunction (open/short). DTC Troubleshooting  
2605  H/U Diag: Connect H/U GA-Net bus circuit malfunction (open/short). DTC Troubleshooting  
2609  VRAM Diag ECU VRAM Audio-navigation unit internal VRAM malfunction. DTC Troubleshooting  
2610  DRAM Diag ECU DRAM Audio-navigation unit internal DRAM malfunction. DTC Troubleshooting  
2701  GPS Diag: Antenna GPS GPS antenna malfunction. DTC Troubleshooting  
2702  GPS Diag: Receiver in Navi ECU GPS GPS antenna malfunction. DTC Troubleshooting  
2703  Aircon Diag Aircon Communication error between climate control unit and audio-navigation unit (open/short). DTC Troubleshooting
  • Check for B-CAN DTCs
  • DTC sets if Self-Diagnosis Mode is run with the ignition switch in ACCESSORY (I).
2705  HFL Diag HFL HandsFreeLink control unit internal malfunction. DTC Troubleshooting Check for B-CAN DTCs
2706  Gyro Diag: ECU Temp XX°C Gyro Audio-navigation unit internal malfunction. DTC Troubleshooting
  • Low or weak battery voltage.
  • Temperature is too high or low in the audio-navigation unit.
  • Clogged cooling fan screen on the back of the audio-navigation unit.
2707  Mic Diag Mic Mic circuit malfunction (open/short). DTC Troubleshooting  
SYMPTOM TROUBLESHOOTING CHART

Symptom Diagnostic procedure Also check for
Navigation system stays on the GPS initialization screen System Initialization (see SYSTEM INITIALIZATION  )
  • Audio-navigation unit
  • Internal defect in GPS antenna
  • GPS antenna/cable is disconnected or damaged
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
  • 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
  • Internal defect in GPS antenna
  • GPS antenna/cable
  • Aftermarket metallic window tint
  • ECM/PCM (vehicle speed pulses)
  • Harness/fuses/switches
System always comes up in the in-line diagnostic mode (Factory Diag Mode) Symptom Troubleshooting (see SYSTEM ALWAYS COMES UP IN THE IN-LINE DIAGNOSTIC MODE (FACTORY DIAG MODE)  )  
Navigation system does not accept security code Symptom Troubleshooting (see NAVIGATION SYSTEM DOES NOT ACCEPT SECURITY CODE  )
  • The navigation DVD is damaged or dirty
  • Anti-theft code does not match the audio-navigation unit
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
  • Software not up to date
  • 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
  • Internal defect in GPS antenna
  • 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 VEHICLE ICON SPINS  )
  • Audio-navigation unit
  • GPS antenna/cable
  • Aftermarket metallic window tint
  • ECM/PCM (vehicle speed pulse)
  • Internal defect in GPS antenna
No picture is displayed Symptom Troubleshooting (see NO PICTURE IS DISPLAYED  )
  • Audio-navigation unit
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
  • 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
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
  • Aftermarket accessories connected to the system
  • Harness/fuses/switches
Display day/night mode does not work or does not work properly
  • Audio-navigation unit
  • The instrument (gauge) brightness setting is set to High in day or night mode
  • Gauge control module
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
  • Harness/fuses/switches
System locks up or freezes constantly Symptom Troubleshooting (see SYSTEM LOCKS UP OR FREEZES CONSTANTLY  )
  • Audio-navigation unit
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
  • 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 manual)
  • 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
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
  • Microphone harness/switches
Navigation cannot control audio system Symptom Troubleshooting (see NAVIGATION CANNOT CONTROL AUDIO SYSTEM  )
  • Audio-navigation unit
  • Harness
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
Navigation display buttons do not work or respond properly Symptom Troubleshooting (see NAVIGATION DISPLAY BUTTONS DO NOT WORK OR RESPOND PROPERLY  )
  • Audio-navigation unit
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
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 manual
Some set-up and information functions of the navigation system are grayed-out and do not work The 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 owner's manual
  • See Answering customer question Navigation coverage in general troubleshooting
  • Refer to Database limitation in the navigation system manual to report database errors
  • Refer to the FAQs in the navigation manual
  • Database limitations (address not in database)
  • The wrong color or version DVD is installed
OPEN/CLOSE function of the display does not work Symptom Troubleshooting (see OPEN/CLOSE FUNCTION OF THE DISPLAY DOES NOT WORK  )
  • Audio-navigation unit
  • Harness
  • There is an object blocking the display panel from moving
Navigation display does not close Symptom Troubleshooting (see NAVIGATION DISPLAY DOES NOT CLOSE  )
  • Audio-navigation unit
  • Harness
  • There is an object blocking the display panel from moving
Navigation display does not open or opens partway Symptom Troubleshooting (see NAVIGATION DISPLAY DOES NOT OPEN OR OPENS PART WAY  )
  • Audio-navigation unit
  • Harness
  • There is an object blocking the display panel from moving
PC card will not play/card icon on audio screen cannot be selected Symptom Troubleshooting (see AUDIO DISC CANNOT BE INSERTED AND/OR EJECTED (WITH NAVIGATION) ) Audio-navigation unit
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 manual
  • The wrong color or version DVD is installed
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
DVD read error messages Symptom Troubleshooting (see DVD READ ERROR MESSAGES  )
  • Audio-navigation unit
  • The wrong color or version navigation DVD is installed
  • The navigation DVD is damaged or dirty
Error messages are displayed See ERROR MESSAGE TABLE  Check any official Honda service website for more information about the navigation 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 
  • The wrong color or version navigation DVD is installed
  • Scratched or damaged navigation DVD
  • Audio-navigation unit
The navigation anti-theft code card is lost or missing See ANTI-THEFT FEATURE   
The vehicle icon lags behind when the vehicle turns 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   
The navigation clock is off by 1 to 3 hours after replacing the navigation unit See SERVICE PRECAUTIONS 
  • Do MAP MATCHING 
  • GPS antenna/cable
  • Check and adjust the clock settings
A new navigation DVD is needed See OBTAINING A NAVIGATION DVD   
Time is not correct Reset Time Adjustment in set-up
  • The wrong color or version navigation DVD is installed
  • Reset Time Adjustment in set-up
  • A defective GPS receiver in the audio-navigation unit
The DVD is scratched or dirty See DVD HANDLING AND CLEANING  Audio-navigation unit
The wrong DVD was installed and now the system does not function properly See PRECAUTION ON CUSTOMER NAVIGATION DVD SNEAK PREVIEWS 
  • Install the correct version navigation DVD
  • Check any official Honda service website for more service information about the navigation system
A POI cannot be found See HOW TO ANSWER CUSTOMER QUESTIONS ABOUT NAVIGATION COVERAGE 
  • The navigation DVD is scratched or dirty
  • The database may be out of date. Confirm the POI exists in a current production vehicle
A specific city cannot be found See HOW TO ANSWER CUSTOMER QUESTIONS ABOUT NAVIGATION COVERAGE 
  • The navigation DVD is scratched or dirty
  • The database may be out of date. Confirm the POI exists in a current production vehicle
An In Line Diagnosis screen appears every time vehicle is started See FACTORY DIAGNOSTIC SCREEN IN LINE DIAG   
The Acura Globe Screen (not the Honda Globe Screen) appears every time the vehicle is started Symptom troubleshooting (see DVD READ ERROR MESSAGES  ) Also see the symptom The wrong navigation DVD was installed and now the system does not function properly
The customer vehicle was recently moved to or from Hawaii, and the map screen does not display properly See COVERAGE AREA   
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