Airbag control unit with part number 6M2T-14B056-AE

What is the function of the airbag control unit 6M2T-14B056-AE?

The airbag control unit 6M2T-14B056-AE, manufactured by Bosch (e.g., with codes 0285010223 or 0285001679), is the central control module for the occupant protection system in Ford models such as the S-Max (WA6). It continuously processes data from crash sensors and determines whether to activate airbags and seatbelt pretensioners.

This module is the critical component that responds to accident situations within milliseconds. It analyzes signals from acceleration and yaw rate sensors to assess the severity of a collision and trigger restraint systems precisely and sequentially.

As the “brain” of the safety system, it communicates constantly with other vehicle control units and performs a self-diagnosis at every vehicle start-up. System faults are detected immediately and signaled to the driver via the airbag warning light.

Why does the control unit 6M2T-14B056-AE fail?

The most common causes of failure for the 6M2T-14B056-AE control unit are hardware defects caused by moisture ingress, age-related wear of electronic components, or the storage of crash data after an accident. These issues can disable the device’s functionality and result in persistent fault messages.

A major cause is moisture. Water penetration can lead to corrosion on the circuit board, causing short circuits or damaging sensitive components like capacitors. This often results in complete communication failure with the diagnostic system.

Another frequent reason is the irreversible storage of crash data. Even after a minor impact where no airbags deployed, the unit may lock itself for safety reasons. This condition is typically logged in the fault memory as “Crash Status Telegram Information” and requires professional resetting.

General aging of the electronics also contributes to failures. Solder joints can become brittle over time, or internal processors and memory chips may fail. These are clear hardware defects requiring component-level repair.

How do you recognize a defective 6M2T-14B056-AE?

A defect in the airbag control unit 6M2T-14B056-AE usually manifests as a permanently illuminated airbag warning light on the instrument cluster. Often, the control unit cannot be read by a diagnostic tool, or error codes such as U3000 or U1A37-00 appear and cannot be cleared.

The most obvious symptom is the active airbag warning light. It may stay lit continuously or flash intermittently, signaling a critical malfunction in the safety system. This condition alone can result in failing the main inspection (TÜV).

Another clear indication is the lack of communication. When a workshop attempts to read the fault memory via the OBD interface, the control unit fails to respond. This points to a severe internal hardware or power supply issue.

The diagnostic system frequently reports specific, non‑erasable error codes. In particular, codes U3000 (internal control unit error) or U1A37-00 (Crash Status Telegram Information) explicitly indicate a faulty control unit or locked crash data.

In some cases, additional symptoms may appear, such as a flashing engine check light when the ignition is turned on. This suggests a more extensive communication problem within the vehicle’s data bus, originating from the defective airbag module.

In which vehicles is the 6M2T-14B056-AE control unit installed?

The airbag control unit 6M2T-14B056-AE is primarily used in Ford models. At Airbag24, we repair this control unit for both first- and second-generation Ford S-Max vehicles, as well as for the technically related Ford Galaxy. Compatibility spans various model years and engine types.

At Airbag24, we offer professional repair services for part number 6M2T-14B056-AE on the following specific models:

Ford: S-Max 1 (WA6 series, model years 2006–2010), S-Max 1 Facelift (2010–2014), S-Max 2 (2015–2019), and S-Max 2 Facelift (2019–2023).

According to technical sources, this control unit is also found in the Ford Galaxy II (WA6 series, model years 2006–2015), especially paired with diesel engines such as the 1.8 TDCi or 2.0 TDCi. Variants with different suffixes, such as -AC, may also exist and are often repairable as well.

How does the repair of the 6M2T-14B056-AE proceed?

Repair at Airbag24 offers a cost-effective alternative to expensive new purchases. After removal and shipment of the control unit, our technicians perform a thorough diagnosis, fix hardware defects at the component level, erase stored crash data, and restore the original functionality. We provide a 12-month warranty on every repair.

The process begins after the removed control unit has been securely packaged and shipped to Airbag24. It is important to include a completed repair form with the package to ensure swift assignment and processing.

In our specialized workshop, a detailed analysis of the electronics is performed. Our technicians identify the root cause of the fault—whether it’s moisture damage, a cold solder joint, or a damaged memory chip. Defective components such as capacitors are expertly replaced.

A key step is erasing the stored crash data. Using specialized equipment, the control unit is restored to its factory settings, eliminating error codes like U3000 or U1A37-00. The software is then recalibrated to ensure full functionality.

Following successful repair and a final functional test, the control unit is returned to you. The repair is typically a plug-and-play solution, saving you up to 70% compared to purchasing a new part.

What shipping options does Airbag24 offer?

Airbag24 provides flexible and secure shipping options for your control unit. You can send the package yourself at no cost, or take advantage of our convenient UPS pickup service. For the return shipment after repair, free UPS standard delivery, expedited express shipping, and cash-on-delivery options are available.

For the outbound shipment, you have two choices: you can ship the control unit to us on your own, or drop it off at one of our locations free of charge. Alternatively, you can arrange for UPS to pick it up from a location and date of your choosing.

After the repair is complete, we offer several return shipping options to suit your needs. UPS standard delivery is free and typically takes 1–3 business days.

If you need faster delivery, you can opt for UPS express shipping, which guarantees delivery within 1–2 business days. Both standard and express shipping are also available with cash-on-delivery.

Of course, you can also pick up your repaired control unit in person at our facility. Simply select the shipping method that best suits you when placing your order.