Airbag control unit with part number 77960-SWA-Y810-M1

What does the airbag control unit 77960-SWA-Y810-M1 do?

The airbag control unit 77960-SWA-Y810-M1 is the central control unit of the restraint system of Honda. It processes the crash sensors and, in an accident, decides within milliseconds which airbags and seatbelt pretensioners are triggered. After an accident, it locks itself.

During operation, the unit continuously checks all triggers, sensors and connections. If it detects a fault, it shows this via the airbag warning light in the instrument cluster.

It also keeps fault entries in its memory, which a diagnostic tool can read out.

Why does the control unit 77960-SWA-Y810-M1 fail?

The most common cause is crash data stored after an accident, even if no airbag has triggered. A standard diagnostic tool cannot erase it. Aged components, dry solder joints, moisture and corrosion, and voltage spikes may also be causes.

Crash data remains in the memory until it is removed during a repair. Whether the airbags have triggered makes no difference here.

Aged electronics eventually fail, solder joints can come loose, and moisture or corrosion at plug connections leads to contact faults. Voltage spikes, for example from a weak battery or a jump-start, can damage components.

Airbag24 erases the crash data during the repair and checks the other causes on the test bench.

How can you tell that the 77960-SWA-Y810-M1 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition, an error message appears in the instrument cluster, the diagnostic tool finds no connection to the control unit, and the fault memory cannot be cleared.

With these signs, airbags and seatbelt pretensioners may not trigger in an emergency. This also applies when the vehicle seems inconspicuous in everyday use.

Therefore, react to the warning light and have the system checked.

Which vehicles is the 77960-SWA-Y810-M1 fitted in?

The 77960-SWA-Y810-M1 is fitted in these vehicles: Honda CR-V 3 RE (2006-2012).

The overview below shows the vehicles assigned to this unit.

• Honda CR-V 3 RE (2006-2012)

Compare the part number on the label of the removed unit with this page; then you know that it is the right unit. Whether the control unit itself is defective, or a plug or cable causes the fault, is shown only by reading out the fault memory, which you should have done beforehand.

For the same vehicles, we also repair control units with the part numbers 77960-SWA-G214-M4, 77960-SWA-S21, 77960-SWA-S214-M4, 77960-T0AA-110-M1, 77960-TA0-A031, 77960-TLA-A25.

How does the repair of the 77960-SWA-Y810-M1 work?

First read out the fault memory, enclose the log, disconnect the battery, and only then remove the control unit. Next, create a repair order online and pack the unit well. Airbag24 checks it, repairs it, erases the crash data and tests the function; processing there usually takes 3–4 working days.

Only after the check on the test bench is it decided which components are replaced. Your own unit is then returned.

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-SWA-Y810-M1 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. Place the printed repair order in the parcel and pack the unit shock-proof. After the repair, Airbag24 sends it back by UPS.

Solid packaging with padding prevents the unit from shifting inside the box.