Airbag control unit with part number 77960-TS0-B612-M1

What does the airbag control unit 77960-TS0-B612-M1 do?

The airbag control unit 77960-TS0-B612-M1 coordinates the SRS restraint system of Honda. It reads the crash sensors, determines in an impact which airbags and seatbelt pretensioners are triggered, and monitors the system permanently. After an accident it stores crash data and locks itself.

The decision on triggering is made within a few milliseconds. In everyday use the unit works in the background and only reports when something is wrong.

That is precisely why it is worth keeping an eye on the warning light.

Why does the control unit 77960-TS0-B612-M1 fail?

The unit most often fails because crash data were stored after an accident, even if no airbag has deployed. Other possible causes are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

A normal diagnostic tool does not make the records disappear. That explains why the control unit can cause problems even without a deployed airbag.

The remaining causes develop rather gradually. Electronics age, solder joints can be cold, and moisture attacks the contacts.

Voltage spikes arise, for example, from a weak battery or when starting with a jump start.

How can you tell that the 77960-TS0-B612-M1 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently if there is a fault in the 77960-TS0-B612-M1. A fault message may also appear in the instrument cluster, the diagnostic tool does not connect to the control unit, and the fault memory cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may then not deploy. That is why a prompt check is worthwhile rather than watching the light for longer.

Which vehicles is the 77960-TS0-B612-M1 fitted in?

The 77960-TS0-B612-M1 is fitted in these vehicles: Honda Civic 9th generation (2011-2017).

For this number we have these models on record:

• Honda Civic 9th generation (2011-2017)

Before you remove the unit, check the part number on its label and compare it with this page. That only confirms that it is the right unit. What matters is the fault memory: only reading it out shows whether the control unit itself is affected or whether a plug or cable is causing the fault.

For the same vehicles, we also repair control units with the part numbers 77960-TS4-U411-M1, 77960-TS4-U811-M2, 77960-TS4-Z611-M1, 77960-TS6-H711-M1, 77960-TT0-T011-M1, 77960-TT0-Y610-M2.

How does the repair of the 77960-TS0-B612-M1 work?

First have the fault memory read out and attach the log. Then disconnect the battery, remove the control unit and create a repair order online before you send it in.

Keep to this sequence, as it protects you during removal. Pack the unit carefully afterwards.

Airbag24 checks the unit on the test bench and repairs defective components. Stored crash data are erased, followed by a function test. Processing at Airbag24 usually takes 3–4 working days, after which 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-TS0-B612-M1 get to Airbag24?

The control unit 77960-TS0-B612-M1 reaches Airbag24 either as a parcel or via a UPS collection booked for an extra charge. UPS handles the return after the repair.

What matters is the printed repair order in the parcel and shockproof packaging.