Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSHONDA2009CR-V EX, 2.4 RE3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 75 (NAVIGATION SYSTEM)DTC TROUBLESHOOTINGDTC 2605: H/U DIAG: CONNECT

2009 Honda CR-V EX, 2.4 RE3

DTC 2605: H/U Diag: Connect

2009 Honda CR-V EX, 2.4 RE3SECTION DTC 2605: H/U Diag: Connect

WARNING: This page is about a different car, the 2011 Honda CR-V and 2010 Honda CR-V. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first (see BATTERY TEST ).
This DTC sets when a problem (open or short) is detected in the GA-NET BUS.
Before you troubleshoot, make sure to follow the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION -('10 MODEL) ).

Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
Turn the ignition switch to LOCK (0) and then back to ON (II).
Check the Error History (see HOW DO I FIND THE LOCAL ADDRESS OF A BUSINESS THAT IS PART OF A NATIONAL CHAIN (FOR EXAMPLE, STARBUCKS)? ).
Is Hard Error 2605 indicated?

YES -Go to step 4.

NO -Intermittent failure, the system is OK at this time.
Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu (see SYSTEM DIAGNOSTIC MODE - ('10 MODEL) ).
Select the System Links.
Is the Radio icon red?

YES -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION - ('10 MODEL) ).

NO -Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the DTC, replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION - ('10 MODEL) ).

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.