Airbag control unit with part number 0 285 001 249

What does the airbag control unit 0 285 001 249 do?

The airbag control unit 0 285 001 249 coordinates the restraint system (SRS) for Ford. It reads the signals from the crash sensors, decides within milliseconds in a crash whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

If the unit detects a fault, it reports it via the airbag warning light in the instrument cluster.

If an accident occurs, the unit stores crash data and locks itself.

Why does the control unit 0 285 001 249 fail?

The most common cause is crash data stored after an accident, which cannot be erased with a standard diagnostic tool, even if no airbag was deployed. Ageing components, moisture and voltage spikes are also possible causes.

Further causes at a glance:

• ageing electronic components
• dry solder joints
• moisture and corrosion at plug connectors
• voltage spikes, for example from a weak battery or a jump start

Which of these causes applies in an individual case can only be determined by an inspection.

How can you tell that the 0 285 001 249 is defective?

A defect shows itself when the airbag warning light comes on, an error message appears in the instrument cluster, the diagnostic tool cannot reach the control unit, or the fault memory cannot be erased. Such signs should be taken seriously.

The airbag warning light in the instrument cluster stays on permanently or intermittently. In this case, airbags and seatbelt pretensioners may not trigger in an emergency, and the light calls for the system to be checked.

Which vehicles is the 0 285 001 249 fitted in?

The airbag control unit 0 285 001 249 is fitted in these vehicles: Ford Focus 1 ’99 Facelift (2001-2004) and 1 ’99 (1998-2001).

The following vehicles are recorded in our assignment for this part number:

• Ford Focus 1 ’99 Facelift (2001-2004)
• Ford Focus 1 ’99 (1998-2001)

Comparing the part number on the label of the removed unit with this page only shows whether you have the right unit, not whether it is defective. Whether it is defective is only shown by the fault memory, which you should have read out before removal.

For the same vehicles, we also repair control units with the part numbers 0285001396, 2M5T-14B056-DD, YS4T14B056AA, YS4T14B056BA.

How does the repair of the 0 285 001 249 work?

The first step is reading out the fault memory; attach the log to the unit. Then disconnect the battery and remove the control unit. Next, create the repair order online and send the packed unit. Airbag24 inspects it, repairs defective components, erases the stored crash data and tests the function.

Inspection, repair and function testing at Airbag24 usually take 3–4 working days. After that, you will receive your repaired unit back.

Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit 0 285 001 249 get to Airbag24?

The unit goes to Airbag24 as a parcel, or you can book a UPS collection for an extra charge. It is also returned via UPS.

The printed repair order goes into the parcel, and the unit must be packed shockproof.