Airbag control unit with part number 77960-TY3-L130-M1

What does the airbag control unit 77960-TY3-L130-M1 do?

The airbag control unit 77960-TY3-L130-M1 is the central control unit of the restraint system of Honda. It checks the signals from the crash sensors, decides within milliseconds in the event of an accident whether to trigger airbags and seatbelt pretensioners, and monitors the system constantly.

It reports faults via the airbag warning light in the instrument cluster.

After an accident, it stores crash data and locks itself.

Why does the control unit 77960-TY3-L130-M1 fail?

For the 77960-TY3-L130-M1, stored crash data is the most common cause, even if no airbag has deployed; a standard diagnostic tool cannot erase it. Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also possible causes.

Airbag24 erases the crash data during the repair. The other causes concern the electronics and their connections.

Electronics age like everything else, and loose or corroded contacts worsen the condition step by step.

How can you tell that the 77960-TY3-L130-M1 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently, an error message appears in the instrument cluster, the diagnostic tool finds no connection to the control unit, or the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then not trigger in an emergency.

The warning light is an unambiguous signal from the vehicle, whether it burns constantly or only comes on intermittently. It shows that something is wrong in the restraint system and that the system must be checked.

Which vehicles is the 77960-TY3-L130-M1 fitted in?

The control unit 77960-TY3-L130-M1 is fitted in these vehicles: Honda Legend 5th generation (2014-2021).

At Airbag24, the part numbers are assigned to models as follows:

• Honda Legend 5th generation (2014-2021)

Compare the label of the removed control unit with the part number on this page. This only establishes that it is the right unit. Have the fault memory read out before removal, because only this log shows whether the control unit is defective or whether a connector or cable is the cause.

How does the repair of the 77960-TY3-L130-M1 work?

You have the fault memory read out and attach the log, then disconnect the battery and only afterwards remove the control unit. Then you create a repair order online and send in the well-packed unit.

At Airbag24, the unit is examined on the test bench, defective components are repaired, crash data is erased, and a function test follows. Processing at Airbag24 usually takes 3–4 working days. Afterwards, your own unit is returned 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-TY3-L130-M1 get to Airbag24?

You send the control unit 77960-TY3-L130-M1 to Airbag24 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

The printed repair order goes into the parcel, and the unit is packed shock-proof.