Airbag control unit with part number 77960-T7S-N810-M2

What does the airbag control unit 77960-T7S-N810-M2 do?

The 77960-T7S-N810-M2 is the central control unit of the restraint system (SRS) of the brand Honda. It evaluates the signals from the crash sensors, decides in an accident within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

The unit shows faults via the airbag warning light in the instrument cluster. After an accident it stores crash data and locks itself. Only the repair lifts this lock.

Why does the control unit 77960-T7S-N810-M2 fail?

For the 77960-T7S-N810-M2 the most common cause is storage of crash data after an accident, even if no airbag has triggered. A normal diagnostic tool cannot erase this data.

Other causes may also come into consideration:

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or jump-starting

Airbag24 erases the crash data during the repair.

How can you tell that the 77960-T7S-N810-M2 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition there is a fault message in the instrument cluster, no connection to the diagnostic tool and a fault memory that cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may then fail to trigger. If you notice any of these signs on the 77960-T7S-N810-M2, have the system checked promptly.

Which vehicles is the 77960-T7S-N810-M2 fitted in?

The 77960-T7S-N810-M2 is fitted in these vehicles: Honda HR-V 2nd generation (2015-2022).

In our records the following vehicles are stored 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. This ensures that it is the right unit.

Also 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 77960-3V0-A81, 77960-T7S-A21, 77960-T7S-A212-M2, 77960T7SK410M2.

How does the repair of the 77960-T7S-N810-M2 work?

First have the fault memory read out and enclose the log with the unit, then disconnect the battery and remove the 77960-T7S-N810-M2 before you create a repair order online. Then send the well-packed unit in. At Airbag24 itself, checking, repairing and testing usually take 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases the stored crash data and carries out a function test. The stated time applies only to this work.

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-T7S-N810-M2 get to Airbag24?

You send the 77960-T7S-N810-M2 as a parcel or optionally book a UPS collection for an extra charge. After the repair Airbag24 sends it back by UPS.

Put the printed repair order in the parcel, and pack the unit shockproof.