Airbag control unit with part number 77960-3V0-A910-M1

What does the airbag control unit 77960-3V0-A910-M1 do?

The 77960-3V0-A910-M1 is the airbag control unit that makes the decision in the restraint system (SRS) of Honda. It reads the crash sensors, determines within milliseconds which airbags and seatbelt pretensioners fire, and keeps the system under watch. Detected faults appear via the airbag warning light.

After an accident the unit writes crash data to its memory and locks itself.

In everyday use it goes unnoticed, because it runs along without any visible action.

Why does the control unit 77960-3V0-A910-M1 fail?

The stored crash data from an accident is the most common cause, even when no airbag has deployed. Other causes: aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes.

A normal diagnostic tool cannot erase the crash data.

Voltage spikes arise, for example, from a weak battery or a jump start and strain the electronics. Aging and damp contacts act more slowly over time.

How can you tell that the 77960-3V0-A910-M1 is defective?

A fault is recognised by the airbag warning light, which burns permanently or from time to time, and by an error message in the instrument cluster. Add to this a missing connection from the diagnostic tool and a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then possibly not trigger.

The warning light is the system's direct feedback and therefore deserves attention.

A finding that only occurs intermittently should also be checked.

Which vehicles is the 77960-3V0-A910-M1 fitted in?

The 77960-3V0-A910-M1 is fitted in these vehicles: Honda HR-V 2nd generation (2015-2022).

These vehicles are recorded for this part number:

• Honda HR-V 2nd generation (2015-2022)

Compare the part number on the label of the removed unit with this page; that only ensures you have the correct unit in front of you. Have the fault memory read out first. Only the log 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 77960-3V0-A81, 77960-T7S-A21, 77960-T7S-A212-M2, 77960T7SK410M2.

How does the repair of the 77960-3V0-A910-M1 work?

You read out the fault memory, enclose the log and then disconnect the battery; only after that do you remove the control unit. Then you create the repair order online and send in the well-packed unit. Airbag24 usually processes it within 3–4 working days, checking it, replacing defective components, deleting crash data and carrying out a function test; your own unit is returned afterwards.

The sequence is fixed for safety reasons.

The 3–4 working days cover only the work carried out in-house; your own steps and the shipping are not included.

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 77960-3V0-A910-M1 get to Airbag24?

You send the control unit as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 returns it to you by UPS.

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