Airbag control unit with part number 77960-TEA-Z710-M4

What does the airbag control unit 77960-TEA-Z710-M4 do?

The 77960-TEA-Z710-M4 is the airbag control unit of the SRS restraint system for Honda. From the values of the crash sensors it determines in an impact which airbags and seatbelt pretensioners are triggered; at the same time it checks the entire system for faults continuously. A detected fault appears on the airbag warning light.

After an accident the unit stores crash data and locks itself. It uses the instrument cluster as its display.

The monitoring runs permanently in the background, even if nothing stands out in daily use.

Why does the control unit 77960-TEA-Z710-M4 fail?

Most often it fails because of crash data stored after an accident, even without an airbag being triggered. A normal diagnostic tool does not remove them from memory. Further causes are aged components, cold solder joints, moisture on plugs and voltage spikes.

Electronics age over a longer period, and moisture attacks contacts until problems arise. Such processes run without drawing attention.

How can you tell that the 77960-TEA-Z710-M4 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and in addition an error message appears in the display. The diagnostic tool finds no contact with the control unit, and the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then possibly not trigger.

The light shows the condition visibly and calls for a check.

Which vehicles is the 77960-TEA-Z710-M4 fitted in?

The control unit 77960-TEA-Z710-M4 is fitted in these vehicles: Honda Civic 10th generation (2015-2022).

The list in detail:

• Honda Civic 10th generation (2015-2022)

A comparison of the part number on the label of the removed unit with this page confirms that it is the right unit. Whether the control unit is defective or whether a plug or a cable is the cause is shown only by the fault memory readout, which you have made before removal.

For the same vehicles, we also repair control units with the part numbers 77960-SMG-G014-M1, 77960-TBA-A01, 77960-TBA-A02, 77960-TBA-A03, 77960-TBA-A04, 77960-TBA-A05.

How does the repair of the 77960-TEA-Z710-M4 work?

You first read out the fault memory and enclose the log. Then you disconnect the battery and only afterwards remove the 77960-TEA-Z710-M4. Next you create a repair order online and send the unit in well packed. Airbag24 checks it on the test bench, replaces defective components, erases stored crash data and carries out a function test, before your own unit goes back.

At Airbag24, testing, repairing and checking generally take 3–4 working days.

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-TEA-Z710-M4 get to Airbag24?

You send the control unit 77960-TEA-Z710-M4 to Airbag24 yourself as a parcel or book a UPS collection for an extra charge. The return after the repair is likewise made by UPS.

The printed repair order goes into the parcel; you pack the unit shock-resistant.