What is a Ford B-Max Mk1 airbag control unit?
The Ford B-Max Mk1 airbag control unit is the central safety unit that activates occupant restraint systems such as airbags and seatbelt pretensioners in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners in the vehicle.
This electronic control unit (ECU) is crucial for the passive safety of your Ford B-Max Mk1.
It processes signals from acceleration and impact sensors at lightning speed to respond precisely in an emergency.
Communication with the vehicle electrical system takes place via standardized protocols such as the CAN bus to ensure smooth integration.
Why is the Ford B-Max Mk1 airbag control unit faulty?
The Ford B-Max Mk1 airbag control unit is often identified as defective after an accident because it permanently stores specific crash data and locks itself. Internal electronic errors or power supply problems can also lead to failure and impair airbag function.
A typical reason is the permanent storage of crash data after an impact, which prevents reuse without a professional reset.
Malfunctions can also be caused by water damage, short circuits or age-related wear and tear of the internal components.
A defective control unit usually causes the airbag warning light on the dashboard to stay permanently lit and the system to be deactivated.
In such cases, a specialized reset is often necessary for the Ford B-Max Mk1 airbag control unit repair.
Common error codes for Ford B-Max Mk1 airbag control unit repair
During Ford B-Max Mk1 airbag control unit repairs, specific error codes may occur that indicate problems within the control unit itself. These OBD-II B codes signal malfunctions in the central unit that can occur after an accident or due to electronic malfunctions and require immediate diagnosis.
- B1000 → Control unit communication error → The airbag ECU cannot communicate correctly with other systems.
- B1015 → Internal error in the airbag control unit → The airbag ECU has detected an internal hardware or software error.
- B107E → Airbag module related error → The airbag ECU reports a problem with a connected airbag module.
- B1139 → Error within the SRS control unit → The SRS control unit, also known as the airbag ECU, has an internal defect.
- B1193 → Airbag control unit related error → The airbag ECU signals a general internal functional error.
- B1206 → Restraint system (RCM) error → The restraint system control module (RCM) reports a critical error.
These codes are specific to the control unit and not to external sensors or seat belt pretensioners.
They usually require a reset or a targeted Ford B-Max Mk1 airbag control unit repair.
A precise diagnosis with a Ford IDS or a specialized SRS diagnostic tool is essential to identify the exact cause.
What part numbers are available for the Ford B-Max Mk1 airbag control unit repair?
For the Ford B-Max Mk1 airbag control unit repair, only the original OEM part numbers AV1T-14B321-CE, AV1T-14B321-CF, and AV1T-14B321-CG are suitable. These versions come directly from Ford and guarantee full compatibility and functionality with your Ford B-Max Mk1 model.
These specific part numbers are critical to ensuring the correct function of the airbag system after repair or replacement.
Other part numbers, such as Bosch variants, are intended for related Ford models such as the C-Max or Focus, but are not directly suitable for the Ford B-Max Mk1.
When replacing or repairing the Ford B-Max Mk1 airbag control unit, always make sure you use one of these exact OEM numbers to avoid compatibility issues.
- AV1T-14B321-CE (Ford OEM / Original)
- AV1T-14B321-CF (Ford OEM / Original)
- AV1T-14B321-CG (Ford OEM / Original)
These numbers have been confirmed by independent sources such as eBay listings and specialized SRS repair lists for the Ford B-Max Mk1.
Ford B-Max Mk1 Airbag Control Unit Repair: Process and Benefits
The Ford B-Max Mk1 airbag control unit repair involves reading and erasing crash data and error codes, restoring the existing control unit to full functionality. This process is often more cost-effective and environmentally friendly than a complete replacement and allows the original part to be reused after an accident.
After an accident, the control unit stores specific crash data that can only be deleted by specialist workshops using special software.
A professional reset of the control unit avoids expensive new purchases and the need for complex recoding by an authorized Ford workshop.
Our experts specialize in Ford B-Max Mk1 airbag control unit repairs and guarantee professional repairs.
This not only eliminates errors, but also checks the internal software for stability and correctness to prevent future failures.
Key advantages include the rapid availability of the repaired part and ensuring the original vehicle setup without complex adjustments.
Compatibility and installation of the Ford B-Max Mk1 airbag control unit
The Ford B-Max Mk1 airbag control unit is specifically designed for the Ford B-Max Mk1 model, manufactured approximately from 2012 to 2017. For precise compatibility, it is crucial to check the part number and, if necessary, the chassis number to ensure the safety and functionality of the system.
The airbag control unit is typically installed in the center console or under the driver's seat, protected from external influences.
It is connected to the crash sensors, airbag modules and the vehicle electrical system via yellow-marked, gold-plated connectors.
The removal and repair or replacement of the Ford B-Max Mk1 airbag control unit should only be carried out by qualified specialist workshops with suitable diagnostic equipment.
This ensures the correct function of the safety-relevant component and avoids risks due to improper handling or installation.