Airbag control unit with part number 77960-TV0-G911-M4

What does the airbag control unit 77960-TV0-G911-M4 do?

The airbag control unit 77960-TV0-G911-M4 is responsible for the restraint system (SRS) in Honda. It processes the data from the crash sensors, decides in an accident within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the entire system. It indicates faults via the airbag warning light.

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

The control unit works in the background while driving and remains active at all times.

Why does the control unit 77960-TV0-G911-M4 fail?

The most common cause is crash data left in the memory after an accident, even if no airbag has deployed. Aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also possible causes.

Crash data cannot be removed with common diagnostic tools. Airbag24 deletes it during the repair.

Aged components lose reliability over the years, and cold solder joints provide no lasting contact.

Moisture and corrosion at plug connections affect signal transmission, and voltage spikes from a weak battery or a jump start stress the electronics.

How can you tell that the 77960-TV0-G911-M4 is defective?

The airbag warning light in the instrument cluster shows the defect by lighting up permanently or intermittently. A fault message may also appear, and the diagnostic tool then finds no contact with the control unit.

These signs point to a defect:

• airbag warning light that stays on permanently or intermittently
• fault message in the instrument cluster
• no connection between diagnostic tool and control unit
• fault memory that cannot be cleared

In an emergency, airbags and seatbelt pretensioners may then fail to deploy. A warning signal of this kind therefore calls for a prompt inspection.

Which vehicles is the 77960-TV0-G911-M4 fitted in?

The control unit 77960-TV0-G911-M4 is fitted in these vehicles: Honda Civic 9th generation (2011-2017).

The following list shows the vehicles recorded for this part number.

• Honda Civic 9th generation (2011-2017)

First, compare the part number on the label of the removed unit with this page; this only confirms that it is the right unit. Second, have the fault memory read out in advance, because only this result shows whether the control unit is defective or whether a plug or cable is the cause.

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-TV0-G911-M4 work?

Processing at Airbag24 usually takes 3–4 working days. Afterwards Airbag24 deletes the stored crash data, replaces defective components and carries out a function test.

First read out the fault memory, enclose the log and disconnect the battery. Only then remove the control unit, create the repair order online and send the unit in well packed.

Afterwards Airbag24 returns your own unit to you.

The stated 3–4 working days apply only to the work at Airbag24. 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-TV0-G911-M4 get to Airbag24?

A parcel goes to Airbag24, or you book a UPS collection for an extra charge. After the repair, the unit is returned by UPS.

The securely packed unit receives the printed repair order to take with it.