Airbag control unit with part number 77960-SFY-J615-M1

What does the airbag control unit 77960-SFY-J615-M1 do?

The airbag control unit 77960-SFY-J615-M1 is the central control unit of the restraint system (SRS) for Honda. It evaluates the signals from the crash sensors, decides in a crash within milliseconds which airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

The unit reports faults via the airbag warning light in the instrument cluster. After an accident, it stores crash data and locks itself.

Monitoring runs in the background while the vehicle is powered on.

Why does the control unit 77960-SFY-J615-M1 fail?

The most common cause of the 77960-SFY-J615-M1 failing is crash data stored after an accident, even if no airbag was triggered. In addition there are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

Crash data is the stored trace of a load, and a normal diagnostic tool cannot erase it. The fault therefore persists even after reading out.

The other causes relate to ageing, moisture and stress on the electronics. Voltage spikes arise, for example, from a weak battery or a jump start, and only testing the unit clarifies which cause applies in an individual case.

How can you tell that the 77960-SFY-J615-M1 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently on the 77960-SFY-J615-M1, and a fault message appears in the instrument cluster. In addition, the diagnostic tool may be unable to establish a connection to the control unit, or the fault memory cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may not trigger with such a finding. Have the finding checked promptly.

The warning light indicates the defect, and you should take this display seriously before driving on.

Which vehicles is the 77960-SFY-J615-M1 fitted in?

The control unit 77960-SFY-J615-M1 is fitted in these vehicles: Honda Inspire 4th generation (2003-2007).

The list shows the vehicles recorded in our data for this part number:

• Honda Inspire 4th generation (2003-2007)

Compare the part number on the label of the removed unit with this page. This only ensures that you have the right unit in front of you. Have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a plug or cable is the cause.

How does the repair of the 77960-SFY-J615-M1 work?

First have the fault memory read out and attach the log, then disconnect the battery and only then remove the control unit. Afterwards create a repair order online and send the unit in well packed. Airbag24 tests it on the test bench, replaces defective components, erases stored crash data and carries out a function test, after which your own unit is returned. Processing at Airbag24 usually takes 3–4 working days.

The log helps the test, because it records the stored faults.

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-SFY-J615-M1 get to Airbag24?

You send the control unit 77960-SFY-J615-M1 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns it by UPS.

Put the printed repair order into the parcel and pack the unit shock-resistant.