What is a Ford Fiesta ST Mk6 airbag control unit?
The Ford Fiesta ST Mk6 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle. This component is critical to the vehicle's passive safety and requires professional repair if defective.
It processes signals from acceleration and pressure sensors to reliably detect an impact. If defined thresholds are exceeded, it precisely triggers the gas generators of the front, side, and head airbags.
The control unit communicates via special, yellow-marked airbag connectors with gold-plated pins. It is compatible with professional diagnostic systems such as Ford service tools for fault diagnosis and reset.
Why is the Ford Fiesta ST Mk6 airbag control unit faulty?
The Ford Fiesta ST Mk6 airbag control unit often fails because it stores crash data after an accident, preventing it from being reinitialized, or because internal electronic components fail. Voltage spikes or age-related material fatigue can also impair functionality, necessitating specialized repair.
A common cause of a defect is the storage of crash data after an impact, even in cases of minor damage. This stored data blocks the system and prevents the airbags from reactivating.
Internal defects such as short circuits, cold solder joints, or corrosion can also lead to failure. This is often indicated by an illuminated airbag warning light in the instrument cluster and requires diagnostics.
A faulty control unit can impair the function of the entire airbag system and poses a significant safety risk. Prompt diagnosis and repair of the Ford Fiesta ST Mk6 airbag control unit is therefore essential.
Common error codes for Ford Fiesta ST Mk6 airbag control unit repair
When repairing a Ford Fiesta ST Mk6 airbag control unit, specific error codes are crucial because they point to problems within the control unit itself, not with sensors or other components. These codes help specialist workshops identify the exact cause of a defect and initiate targeted repair measures to resolve the failure.
- B2477 – Initialization Error: This code often occurs after accidents when the control module cannot be reinitialized due to stored crash data.
- U3000:04 – SRS Module Communication Error: Indicates a general communication problem between the airbag control unit and other vehicle systems, which may indicate an internal defect.
- B0061:13 – Control Unit Specific Error: A generic code indicating an internal fault within the airbag control unit itself and requiring detailed diagnosis.
- B00A:09-0A – Control unit-specific error: Similar to B0061:13, this code indicates a specific malfunction within the control unit electronics that requires professional testing.
What part numbers are available for the Ford Fiesta ST Mk6 airbag control unit repair?
For the Ford Fiesta ST Mk6 airbag control unit repair, several verified OEM part numbers ensure compatibility with your vehicle model. These numbers guarantee that you will receive the correct replacement part for a reliable repair or replacement, restoring full functionality of the safety system.
These part numbers are 100% verified and come from reliable sources, specifically for the Ford Fiesta ST Mk6 airbag control unit. They are crucial for a successful repair or replacement.
It's important to check the exact part number of your faulty unit to ensure proper compatibility. Specialized workshops can assist you with identification and professionally repair your Ford Fiesta ST Mk6 airbag control unit.
- 2S6T-14B056-EK (Ford OEM): A common part number, often manufactured by Autoliv or Bosch for Ford.
- D2BZ-14B321-E (Ford OEM): Another genuine part number listed in official Ford parts catalogs for the Fiesta.
- D2BZ-14B321-A (Ford OEM, alternative): An alternative original number that also fits the Fiesta airbag control unit.
- AA6T-14B321-BA (Ford OEM): Offered as a genuine part for the Fiesta MK6 airbag control unit by reputable dealers.