Airbag control unit with part number 77960-SNB-G230-M1

What does the airbag control unit 77960-SNB-G230-M1 do?

The airbag control unit 77960-SNB-G230-M1 is the main control unit of the SRS in Honda. It evaluates the crash sensors and, in a crash, decides within milliseconds whether the airbags and seatbelt pretensioners are triggered.

It checks the function of the system continuously and reports faults via the warning light in the instrument cluster.

After an accident it stores crash data and locks itself. The lock is only lifted by a repair.

Why does the control unit 77960-SNB-G230-M1 fail?

The cause is most often crash data from an accident, even without a triggered airbag; a standard diagnostic tool cannot erase these from the 77960-SNB-G230-M1. Aged components, cold solder joints, moisture and corrosion in plug connections, and voltage spikes are further possible causes.

The entries remain in the memory until they are erased during a repair.

Ageing electronics and cold solder joints can cause a failure on their own or together.

Voltage spikes, for example from a weak battery or after a jump start, also affect the electronics.

How can you tell that the 77960-SNB-G230-M1 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently, and the instrument cluster shows a fault message. In addition, the diagnostic tool cannot establish a connection to the control unit 77960-SNB-G230-M1, and the fault memory cannot be cleared.

These signs show that the system has detected a fault.

In an emergency, airbags and seatbelt pretensioners may then fail to deploy, so the finding should be clarified promptly.

Which vehicles is the 77960-SNB-G230-M1 fitted in?

The 77960-SNB-G230-M1 is fitted in these vehicles: Honda Civic 8th generation (2005-2011).

The vehicle list for this part number follows:

• Honda Civic 8th generation (2005-2011)

You can use the label on the removed unit to check the part number; this ensures you have the correct unit. The cause is only established by the fault memory once it has been read out, as it shows whether the control unit is defective or a plug or cable is affected.

For the same vehicles, we also repair control units with the part numbers 77960-S02-A840-M3, 77960-SMG-G014-M1.

How does the repair of the 77960-SNB-G230-M1 work?

Have the fault memory read out and attach the log. Then disconnect the battery and only then remove the control unit 77960-SNB-G230-M1; in the next step, create the repair order online. Pack the unit well and send it in.

At the Airbag24 test bench, defective components are repaired, the crash data is erased and a function test is carried out. Processing usually takes 3–4 working days.

Your own unit is then 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-SNB-G230-M1 get to Airbag24?

You send the control unit 77960-SNB-G230-M1 as a parcel, or you book a UPS collection for an extra charge. UPS handles the return after the repair.

The printed repair order belongs in the parcel; the control unit must be packed shockproof.