[SOLVED] How to Fix Honda Radio CODE ERROR E

Why does your Honda radio display CODE ERROR E?

Your radio will display a CODE ERROR E if you've entered the wrong radio code too many times.

There are 3 main reasons why the code you're entering into your radio might not be the one that unlocks the radio.

Reason 1 - Incorrect Radio Serial Number

The first and most common reason is that the serial number that you entered into Unlock Car Stereo was incorrect. There are a few reasons why this might occur:

1. You've mistaken your car serial number for your radio serial number We require your 8-digit radio serial number to generate your matching radio code. Submitting your car serial number will generate an incorrect code.
2. You've put the digits in the wrong order. In some cases, you find your radio serial number by adding two groups of 4 digits. E.g. U1234 and L5678.  A common mistake is to add the digits after the L before the digits after the U. E.g. L+U = 56781234. The U digits should always be added before the L digits. In this case, 12345678.
3. You've got one of the other digits in the wrong spot. Getting even 1 digit wrong will generate an entirely new radio code which will not work with your vehicle. Make sure you type all 8 digits of your radio serial number correctly into unlockcarstereo.com.

Reason 2 - Multiple Honda radio codes

The second reason is that some radios have multiple unlock codes and you just haven't put the right one in it. Most Honda radios only have 1 - 4 radio codes associated with their serial number. However, on odd occasions, a radio may have 20+ codes. Not all of these codes will work. You have to keep trying until you find the right one.

You will get a CODE ERROR E if your correct radio code is not in the first 10 codes generated.  Honda radio only allows you 10 attempts to input the code before it locks, so you'll have to fix your CODE ERROR E before continuing to enter radio codes.

Reason 3 - Your Navigation is locked, not your Radio

The final reason that your radio might be displaying an error code is that it's actually your navigation that it's locked, not your radio. In this case, you require a separate code based on the serial number of the navigation, not the serial number of the radio. Follow this tutorial to unlock your Honda navigation.

How to reset Honda radio CODE ERROR E

To get rid of the CODE ERROR E, simply disconnect your battery, wait for a couple of minutes, then reconnect your battery. And there you have it. Your radio is ready for you to enter your code.