How do I fix the radio error code on my Honda CRV?

The quickest fix for a radio error on a Honda CR-V is to enter the correct security code or have the unit reprogrammed by a dealer. If you see CODE, LOCK, or ERR on the screen, start by locating the code or retrieving it from Honda, then follow these steps to restore normal operation.

Radio- and infotainment-related error codes can happen across multiple CR-V generations, often after a battery disconnect, maintenance work, or a firmware update. This guide walks you through identifying the code, retrieving it if you’ve misplaced it, and the practical steps to re-enable the radio, plus what to do if the problem goes beyond a simple code entry.

Identify the error and locate your security code

Most Honda radios use a 4-digit security code tied to the specific head unit as a theft-deterrence measure. If the display shows CODE, LOCK, or similar, you’ll need that code or a dealer-facing procedure to unlock it. Use the sources below to locate or obtain the code:

Common sources for the radio code include the original owner’s manual, a dedicated Security Code card that came with the car, or the dealer’s records. If you can’t find the code in your paperwork, you may need to retrieve it through Honda’s official channels or via your dealership, which typically requires proof of ownership and the vehicle VIN.

• Check the owner’s manual for a security code or a card with a 4-digit number.


• Look in the glove box, center console, or other vehicle documents for a radio code card.


• If you’ve lost the code, contact a Honda dealer or use Honda’s official code retrieval service. You’ll usually need the vehicle VIN and the radio’s serial number (often printed on a label inside the radio or on the unit).


• If the unit has been replaced or the battery was recently disconnected, you may face a lockout that requires dealer reprogramming rather than a simple code entry.

Having the code handy will save time and prevent repeated lockouts. If you still can’t locate it, plan for a dealer-assisted retrieval or reprogramming, especially on newer infotainment platforms that tie the radio more closely to the vehicle’s identity.

Once you have the code, you’re ready to begin the unlock process. If you don’t have the code and the manufacturer’s retrieval option isn’t available, a dealership visit is typically the fastest path to regain full radio functionality.

Step-by-step: entering the code and restoring radio function

These steps outline the typical process to unlock a Honda CR-V radio using the security code. Procedures can vary slightly by year and radio model, but the general approach remains the same.

1. Turn the ignition to the ON position and power the radio on.


2. When CODE or a similar prompt appears, prepare to enter the 4-digit security code using the radio’s keypad or steering wheel controls.


3. Enter each digit of the code carefully. If you make a mistake, wait a moment and try again; many systems allow you to clear the entry and start over.


4. After correctly entering all four digits, the radio should unlock and begin normal operation. If you receive a confirmation tone or message, your display should return to the standard radio interface.


5. If the radio locks you out after multiple incorrect attempts, wait the required lockout period (often a few minutes to an hour, depending on the model) and try again with the correct code. If you still can’t unlock, contact your dealer for assistance or a reprogramming option.

After a successful unlock, the radio should remember its settings and avoid re-locking due to simple power interruptions. If the unit still won’t play after the code entry, or if you see ongoing error messages, proceed to further troubleshooting in the next section.

Troubleshooting beyond the code

Sometimes a radio error isn’t strictly a missing code. Electrical issues, firmware glitches, or defective components can echo as code-related messages. Consider these steps before seeking dealer service:

Before attempting any advanced diagnostics, a quick sanity check can save time and money. The following list covers practical checks owners can perform at home or with a basic service visit.

• Check fuses and wiring dedicated to the radio/infotainment system. A blown fuse or loose connection can cause intermittent power or display errors.


• Measure the vehicle’s battery voltage; a weak battery or poor charging can cause the infotainment system to behave oddly or reset unexpectedly.


• Inspect the radio’s CAN bus connections if you recently worked on the wiring or installed accessories. A loose or damaged CAN bus line can trigger communication errors.


• Look for software updates for the infotainment system. Honda periodically releases updates that fix bugs or improve compatibility with apps or phones.


• For certain models, a factory reset or a re-upload of infotainment software may be required if the unit continues to misbehave after the code has been entered.

If you perform these checks and the radio still shows errors or refuses to function, or if the unit behaves oddly after a successful code entry, the problem may be hardware-related or require dealer reprogramming or repair.

When to seek professional help

Professional assistance is advised if you cannot locate the security code, if the system remains locked after code entry, or if the radio behaves erratically despite the code being accepted. Dealers can verify ownership, retrieve the code through official channels, and reprogram or replace the head unit if necessary. Some newer CR-V infotainment systems are protected with more robust security features that require dealer-level diagnostics and software updates.

Keep in mind that warranties or extended service plans may cover infotainment issues. If your vehicle is still under warranty, contacting the dealer sooner rather than later can prevent extra charges. Documentation of the VIN, radio serial number, and proof of ownership will speed up the process.

Summary

In most cases, a Honda CR-V radio error is resolved by entering the correct security code or by retrieving it from the dealer or Honda. If the code isn’t available, or if the unit doesn’t unlock after the code is entered, electrical checks and software updates may be needed, and dealer involvement is often required for reprogramming or repair. Storing the code securely and following manufacturer guidance can prevent repeat lockouts and keep the infotainment system functioning smoothly.

How to unlock Honda CRV radio code?

To unlock a Honda CR-V radio, you first need to find the code by checking the owner's manual, the glove box, or the anti-theft radio identification card. If you can't find it, obtain the radio's serial number and your VIN to get the code from a Honda dealer or the official Honda website. Once you have the code, turn the ignition to the "on" position, and enter the code using the radio's preset buttons, which should automatically unlock the radio. 
Step 1: Find your radio code

• Check the glove box: Look for a sticker on the inside or the side of the glove box that contains the "Anti-Theft Radio Code". 
• Check the owner's manual: The code may be on a card or sticker inside the owner's manual or the service history book. 
• Get the code online: 
  • Turn your radio on and then off. 
  • Press and hold buttons 1 and 6 while turning the radio back on to display the serial number. 
  • Find your vehicle's VIN (Vehicle Identification Number), typically on your insurance card, registration, or a sticker on the driver's side door jamb. 
  • Go to the Honda radio-navicode website and enter the radio serial number, VIN, and your zip code to retrieve the code. 
• Contact a dealer: If the other methods fail, provide your VIN and serial number to a Honda dealership to get the code. 

This video demonstrates how to find and enter the radio code: 58sHow to AutomotiveYouTube · Dec 15, 2016
Step 2: Enter the code 

• Turn your CR-V's ignition to the "on" position.
• Enter the code using the radio's preset buttons (e.g., if the code is 431254312543125, press preset button 444, then 333, then 111, then 222, then 555).
• The radio should unlock automatically after the last digit is entered. 

What to do if you enter the wrong code

• If you enter the wrong code too many times, the radio may lock up temporarily. 
• To reset the lockout, disconnect your car's battery for a few minutes, then reconnect it and try again. 
• Be sure to have the correct code ready to avoid another lockout. 

How to get rid of code error on Honda radio?

You press the power button some serial numbers might come up. But you let go of the buttons. And then you press button number two. And usually the radios start working again temporarily.

How do I reset the radio in my Honda CRV?

To reset a Honda CR-V radio, you can perform a soft reset by holding the power button or a factory reset through the vehicle settings. If the radio is locked after a battery disconnection, you may need to find the code on a sticker in the glove box or inside the owner's manual, or by contacting a Honda dealer. 
Soft reset for infotainment screen (for recent models)
This video demonstrates how to perform a soft reset on the infotainment system: 25sCars With SteveYouTube · Mar 18, 2025

• Press and hold the power button: For infotainment screen issues like lag, press and hold the volume/power button for about 7 seconds until a reboot prompt appears, then select "Yes". 
• Continue holding if no prompt appears: If the prompt doesn't show, keep holding the button for 20-30 seconds or longer until the system automatically reboots. 
• For other issues, use the back and home buttons: For problems with CarPlay or navigation, press and hold the home icon and the left seek button (the back button) simultaneously for a few seconds. 

Hard reset for anti-theft mode 
This video shows how to find the radio code sticker in the glove box and enter it: 58sHow to AutomotiveYouTube · Dec 15, 2016

• Look for the code sticker: Check for a sticker inside the glove box, on the inside of the glove box door, or on a card inside the owner's manual. 
• Enter the code: Once you have the five-digit code, use the radio presets to enter it. The radio should then reset. 
• Contact Honda if you can't find the code: If you cannot locate the code, contact a Honda dealer. They will need your VIN to retrieve it, says Reddit users. 
• If the code is "ERR": If the radio displays "ERR," disconnect the negative battery cable for a few minutes, then reconnect it. The radio will then ask for the code again. 

Factory reset (for older models with a touch screen) 
This video explains how to perform a factory reset by disconnecting the battery: 59sWirelesSHackYouTube · Dec 6, 2023

• Disconnect the battery: Disconnect the negative terminal of the car battery for 10-15 minutes. This is a last resort if other methods fail. 
• Reconnect the battery: Reconnect the negative terminal and turn the car on. The radio should now prompt for the code. 

Factory settings (for 2024 and newer models)
You can watch this video to learn how to reset the factory settings on a 2024 CR-V: 53sNexologyYouTube · Aug 9, 2025

• Navigate the menu: Press the Home button, then go to Vehicle Settings, and select "Default". 
• Confirm the reset: Follow the prompts to reset all settings to their factory defaults. 

How do I find my 4-digit code for my Honda radio?

Steps for Obtaining Your Honda Radio Code:

1. Go to radio-navicode.honda.com.
2. Check your Anti-Theft Radio Identification Card.
3. Check your Service History Book.
4. Look in your glove box and center console.
5. Schedule a Service Appointment at Planet Honda.