Ford B-Max's Usual Unlock Code Scenarios
Your radio may lock automatically when it loses power.
These are the most common scenarios that trigger the radio code prompt.
Problems After a Battery Replacement
After a battery change, your radio may stop working.
This happens because the radio loses power, which activates the anti-theft system.
More Situations That Can Lock Your B-Max's Radio
- After a software update, electrical repair, or an ECU reset, some Ford B-Max radios ask for a code.
- After a boost start, the radio may lose power and request a security code.
- When the radio is removed, it usually locks automatically.
- If a power circuit is interrupted, the radio can enter anti-theft mode.
No-Cost Options First
There is a chance your Ford B-Max radio code is written down in your documents.
Before using a paid service, quickly check the places below - you might be surprised.
Check the Car Itself
- Inside the center console, sometimes on a small card.
- In the owner's manual, often on a code card.
- In your car paperwork from the previous owner.
- In the trunk, on a service sticker.
- On the head unit itself, if it was serviced earlier.
Dealer Retrieval Option
A Ford dealer can usually retrieve the radio code using your B-Max's vehicle identification number.
In most cases, you need to contact the service department or visit the dealership and show vehicle documents.
Once verified, they can request the original anti-theft code for your radio.
Limitations:
- You usually need to visit in person and bring ID.
- Dealers often ask for payment for the lookup service and it can cost more than 100$.
- Some older Ford B-Max radios may require manual lookup.
- The process can take days depending on the model and database.
How to Find the Serial N. on a B-Max's Radio
To generate the correct radio code, you will need the radio serial number from your Ford B-Max's head unit.
You can usually find it in one of two places. Common labels to look for: S/N, SN, Serial, Serial Number.
1. Finding B-Max's S/N on the Infotainment
Some Ford radio models are able to show the serial number on screen using button combinations. The method varies by your specific radio model.
Ford 6000CD
- Turn the ignition to ON and power on the radio.
- Press and hold preset buttons 1 and 6 simultaneously.
- The display will cycle through several codes – write down the serial number that appears.
- Confirm with button 5 or ENTER if required.
Note: On the 6000CD MK2 variant, use the # button or preset 5 for confirmation.
Ford 4500 RDS E-O-N
- Press and hold preset buttons 2 and 6 simultaneously.
- The serial number will be displayed (format:
M123123). - If button 5 does not confirm, try the TA button instead.
Ford Sony MP3
- Press and hold preset buttons 1 and 6 simultaneously.
- The serial number appears on screen (e.g.
SOCD6X8V404077). - Hold the center button for 3 seconds to confirm.
Ford Travelpilot EX / NX / FX
For Ford navigation units:
- Check for a pull-out label on the right side of the radio unit.
- Alternatively, press and hold the SELECT button on the right turn-wheel.
2. How to Find the S/N on the Radio Unit
To find the serial number, you'll need to pull out the head unit out.
- Start by turning off the ignition and removing the trim panel.
- Next, unscrew the mounting bolts and slide the radio out to check the label on the side of the radio. Pay attention not to damage the connections.
- Write down full serial number precisely and come back to the website.
- Know that serial number and part number are not equal. You can find both of them on the sticker, and you only care for the serial.
Ford Radio Removal Guide
If on-screen display doesn't work, the radio must be removed using Ford radio release keys — thin tools that slide into the rectangular slots on each side of the unit. Once inserted, the clips release and the radio slides forward. The serial label is on the top or side of the housing.
Example: Ford B-Max serial number label location
Common Ford B-Max Serial Formats
Your Ford B-Max radio serial number starts with M (e.g. M123456) or V (e.g. V123456). Becker TravelPilot units use the BP prefix. The serial is a 7-character code printed on a label on the radio housing.
Entering the Radio Code on the Vehicle
You need to input the code into the system to unlock your Ford's radio.
When the unit is locked, the screen usually shows a security message.
You should use radio presets, control knob, or touchscreen to set each digit, then confirm the code to reactivate the audio system.
To input the unlock code on your Ford radio:
- Turn the ignition to ON and power on the radio.
- The display will show "CODE" or "ENTER KEY CODE".
- Use the preset buttons (1–4) to enter each digit of your 4-digit code. Press each button the number of times corresponding to the digit (e.g. press button 1 three times for digit 3).
- After entering all 4 digits, press button 5 or ENTER to confirm.
Tip: On some Ford models (e.g. Sony MP3), you can enter the code directly using the numbered buttons instead of cycling preset buttons.
B-Max's Radio Code FAQs
Yes. Each factory stereo has its own security code.
If you install a replacement radio, you'll need the code for that specific unit.
Many original head units use a anti-theft code, but some versions require one.
Whether a code is needed depends on the factory stereo and the vehicle generation.
Free unlock codes are rarely available.
Some service documents may help, but most codes require a database lookup.
The only free way would be to search your car and its documentation to see if you already have the code.
The most common method is to hold preset buttons 1 and 6 simultaneously on Ford 6000CD and Sony MP3 radios. For the Ford 4500 RDS, hold buttons 2 and 6 instead.
Not all Ford radios support on-screen serial display. If the button method does not work for your model, the serial number is printed on a label on the top or side of the radio unit, which requires physical removal to view. See our full guide for all methods.
The following Ford radio models can show the serial number on screen: 6000CD, 6000CD MK2, 4500 RDS E-O-N, Sony MP3, and some Travelpilot navigation units.
Older Ford radios and some models without a digital display lack this capability. In those cases, physical removal is the only way to access the serial number label.