Airbag control unit with part number 77960-SEA-J410-M2

What does the airbag control unit 77960-SEA-J410-M2 do?

The airbag control unit 77960-SEA-J410-M2 coordinates the restraint system (SRS) of Honda. It reads the crash sensors, assesses an impact within milliseconds and triggers the appropriate airbags and seatbelt pretensioners.

At the same time it checks the system constantly for faults. It makes any faults it finds visible via the airbag warning light. After an accident it stores crash data and locks itself.

Why does the control unit 77960-SEA-J410-M2 fail?

The most common cause is crash data from an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other causes are aged electronics, cold solder joints, moisture and corrosion, as well as voltage spikes.

Voltage spikes arise, for example, from a weak battery or when a jump start is connected. Which cause is present is shown only by the fault memory once it has been read out.

How can you tell that the 77960-SEA-J410-M2 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, accompanied by a fault message. If this happens, the airbags and seatbelt pretensioners may not deploy in a crash.

In addition, the diagnostic tool does not establish a connection to the control unit, and the fault memory cannot be cleared. In that case, have the system checked.

Which vehicles is the 77960-SEA-J410-M2 fitted in?

The airbag control unit 77960-SEA-J410-M2 is fitted in these vehicles: Honda Accord 7th generation (2002-2008).

The list names the vehicles recorded for this unit:

• Honda Accord 7th generation (2002-2008)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the right unit. Have the fault memory read out beforehand; only this result shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-SDA-306, 77960-SDN-C211-M1, 77960-SDR-A021-M4.

How does the repair of the 77960-SEA-J410-M2 work?

First have the fault memory read out and enclose the log, then disconnect the battery and remove the control unit. Afterwards create a repair order online and send the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

The order is binding for safety reasons: readout, disconnect the battery, and only then remove.

At Airbag24 the control unit is examined on the test bench, defective components are replaced, stored crash data is erased and a function test is carried out. Afterwards your own unit goes back to you.

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 77960-SEA-J410-M2 get to Airbag24?

You send the unit in as a package or, for an extra charge, book a UPS collection. After the repair Airbag24 sends it back by UPS.

The package contains the shock-proof packed control unit and the printed repair order.