Airbag control unit with part number 77960-S84-G941-M1

What does the airbag control unit 77960-S84-G941-M1 do?

The airbag control unit 77960-S84-G941-M1 forms the control of the restraint system (SRS) in Honda. It processes the measured values from the crash sensors, selects the appropriate airbags and seatbelt pretensioners in an accident, and monitors the system continuously. After an accident, it stores crash data and locks itself.

The evaluation takes place within fractions of a second, while the impact is still under way. The unit also detects faults in the restraint system itself and reports them via the airbag warning light in the instrument cluster.

In everyday use it works unnoticed in the background and only stands out when a fault occurs.

Why does the control unit 77960-S84-G941-M1 fail?

For the control unit 77960-S84-G941-M1, the most common cause is stored crash data from an accident, even if no airbag has deployed. Further causes are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data cannot be erased with an ordinary diagnostic tool. Airbag24 removes it during the repair.

The further causes in detail:

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

How can you tell that the 77960-S84-G941-M1 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently when the 77960-S84-G941-M1 has a defect. An error message may appear alongside it, the diagnostic tool cannot reach the control unit, and the fault memory cannot be cleared. In this state, airbags and seatbelt pretensioners may not deploy in an emergency.

Typical signs:

• Airbag warning light on permanently or intermittently
• Error message in the instrument cluster
• Diagnostic tool without connection to the control unit
• Fault memory cannot be cleared

The warning light is therefore the clearest hint the vehicle gives.

Which vehicles is the 77960-S84-G941-M1 fitted in?

The control unit 77960-S84-G941-M1 is fitted in these vehicles: Honda Accord 6th generation (1998-2002).

We list these vehicles here:

• Honda Accord 6th generation (1998-2002)

Compare the part number on the label of the removed unit with this page. This only ensures that you have the right unit in front of you. Have the fault memory read out beforehand, because only this log 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-SEA-G815-M1, C0W6K4VDA.

How does the repair of the 77960-S84-G941-M1 work?

For the 77960-S84-G941-M1, first have the fault memory read out and enclose the log. Then disconnect the battery, and only then remove the control unit. Next, create a repair order online and send the unit in, well packed. At Airbag24 the processing usually takes 3–4 working days.

Airbag24 then checks the control unit on the test bench. Defective components are repaired, crash data is erased and a function test follows. After the test, 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-S84-G941-M1 get to Airbag24?

The 77960-S84-G941-M1 reaches Airbag24 as a parcel, or you 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. Pack the control unit so that it withstands knocks.