Honda Fit's Usual Anti-Theft Code Scenarios
Many owners encounter radio code issues on their Fit after battery-related issues.
Below are the most common situations when this can happen.
After a Battery Change
After a battery replacement, your radio may stop working.
This happens because the radio detects a power reset, which activates the anti-theft system.
Other Situations That Trigger a Security Code
- If a fuse blows, the radio can lock itself.
- When the radio is removed, it usually requires the original code.
- After a software update, electrical repair, or an ECU reset, some Honda Fit radios display a CODE message.
- After a boost start, the radio may reset and request a radio code.
Before You Spend Money
Before you decide to pay, you should check a few places where the code is often already written down.
Some drivers find their Honda Fit radio code without needing any tools or paperwork.
Here are the easiest things to check first.
Check Inside the Center Console
- Near the spare tire, where some manufacturers place radio labels.
- In the owner's handbook, often on a separate page.
- On the head unit casing if the unit was previously removed.
- In the vehicle documentation provided with the car.
- On a sticker in the center console.
Getting It from the Dealer
A Honda dealer can usually retrieve the security code using your Fit's vehicle identification number.
In most cases, you need to visit or contact them and prove ownership.
Once verified, they can request the original anti-theft code for your radio.
Not Always Ideal:
- Dealers often ask for payment for the lookup service and it can cost more than 100$.
- You usually need to book an appointment and bring ID.
- Some older Honda Fit radios may require manual lookup.
- The process can take hours depending on the model and database.
How to Find the Serial Number on a Fit's Radio
To get the correct unlock code, you will need the radio serial number from your Honda Fit's radio unit.
You can usually find it directly on the screen. Common labels to look for: S/N, SN, Serial, Serial Number.
1. Find the S/N on Honda Fit's Screen
Accessing the Serial Number in Honda Fit
The Honda Fit (also sold as the Jazz in some markets) features Honda's reliable serial display system. From 2007-2020 models sold in North America, you can retrieve the serial number using the standard button combination.
Display Method:
- Turn on the radio — If locked, it shows "CODE".
- Press and hold preset buttons 1 and 6 together for 2-5 seconds.
- The serial number appears — Usually 10 characters like
U1234L5678orT00AM1234567.
Fit-Specific Details:
- 2015-2020 Fit (3rd gen) — Base LX models have a simple AM/FM/CD radio, while EX and above feature the 7-inch Display Audio touchscreen. Both support the 1+6 button method.
- 2009-2014 Fit (2nd gen) — All models use a single-DIN radio with physical preset buttons that respond to the 1+6 combination.
- 2007-2008 Fit (1st gen) — The CD/MP3 radio works with the 1+6 method, though you may need to hold the buttons for a full 5 seconds on some units.
Note: The Honda Fit was discontinued in the U.S. after 2020, but remains available in other markets as the Jazz. International models use the same radio architecture and unlock procedures.
2. The Serial Number on the Radio Sticker
To find the serial number, you'll need to remove the head unit from the dashboard.
- Start by turning off the ignition and taking off the dashboard bezel.
- Next, release the clips and pull the unit forward to check the label on the side of the radio. Pay attention not to damage the cables.
- Write down the serial number precisely and then come back to the website.
- Know that serial number and part number are not the same thing. You can find both of them on the sticker, but you only need for the serial.
How to Pull Out Your Honda Fit Radio
If you cannot retrieve the serial on screen, the radio must be physically removed. The radio is held in by DIN clips or surrounded by a trim panel that pops off. The serial label sits on the radio housing.
Example: Honda Fit serial number label location
Common Honda Fit S/N Formats
Your Honda Fit radio serial number is in the format U####L#### — for example U1234 L5678. Some units display just 8 digits. Navigation units may start with GNA or HBM. The serial is needed to generate the unlock code.
What Are the Benefits of Our Honda Fit Code Lookup Service?
Our Honda Fit radio code lookup is designed to simplify the unlock process.
Unlike traditional dealer lookup, this method requires no paperwork and can be done from home in minutes.
It's a more convenient and cheaper alternative for drivers who need their radio unlocked quickly.
A Quick Comparison
- Dealerships operate during business hours, while FindRadioCode is available anytime.
- Dealer lookups often come with limited refunds, while FindRadioCode offers a full money-back policy.
- Some dealers require visiting the service center and showing documents, while FindRadioCode is fully remote.
- Dealer lookup can take time, while our system delivers codes instantly 95% of times.
- Dealer services often charge over $100, while FindRadioCode offers codes from 9.99$.
Entering the Security Code on Your Fit
You need to input the radio security code into the system to unlock your Honda's radio.
When the unit is locked, the screen usually displays a security message.
Based on the radio, use radio presets, control knob, or touchscreen to set each digit, then confirm the code to reactivate the audio system.
Entering your unlock code in the Honda Fit:
- Turn on the ignition — The radio displays "CODE".
- Use preset buttons 1-5 to enter your 5-digit code. Press each button repeatedly to cycle through digits 0-9 until your code digit appears.
- Confirm by pressing and holding button 6 for 2-5 seconds.
For Display Audio Models: The 7-inch touchscreen may show an on-screen numeric keypad. Tap each digit and press "Enter".
Lockout Warning: After 3 incorrect attempts, the radio locks for 1 hour with ignition ON. Turning off the ignition resets the timer.
Honda Fit Radio Code - Frequently Asked Questions
Many OEM stereos use a security code, but not every model year require one.
Whether a code is needed depends on the factory stereo and the model year.
Yes. Each head unit has its own unique code.
If you install a replacement radio, you'll need the code for that particular device.
Free security codes are not easy to find.
Some service documents may help, but most codes require a dealer lookup.
The only no-cost option would be to check your car and its documentation to see if you already have the code.
For most Honda radios: turn the ignition ON, turn the radio OFF, then hold preset buttons 1 and 6 while turning the radio back ON. The serial number will appear on the display as a complete number or in two parts (U#### and L####).
For navigation-equipped models (2008–2019), press and hold CANCEL + MAP + MENU simultaneously to access the diagnostic menu, then navigate to Detail Information → Unit Check → ECU Information. See our full Honda serial number guide for all methods.
Honda and Acura radio codes are 5 digits long, using only digits 1 through 6 (no zeros, sevens, eights, or nines). This is unlike most other manufacturers that use 4-digit codes.
You enter the code using the preset buttons 1–5 on the radio. Each button press corresponds to one digit of the code.