Airbag control unit with part number 77960-SWA-H010-M4

What does the airbag control unit 77960-SWA-H010-M4 do?

The airbag control unit 77960-SWA-H010-M4 coordinates the restraint system (SRS) of Honda in the vehicle. It reads the sensors that record impact and deceleration and triggers the appropriate airbags and seatbelt pretensioners when required.

It runs continuously and reports faults via the airbag warning light in the instrument cluster. After an accident the control unit stores crash data and locks itself. The lock is lifted only by the repair.

Why does the control unit 77960-SWA-H010-M4 fail?

The most common case is crash data stored after an accident, even if no airbag has deployed. Ageing electronic components, cold solder joints, moisture and corrosion on plug connectors, and voltage spikes from a weak battery or jump-starting can also cause the failure.

Crash data cannot be removed with a standard diagnostic tool. Airbag24, by contrast, deletes it during the repair.

A unit can fail for several reasons, and which one applies only becomes clear when the test examines it.

How can you tell that the 77960-SWA-H010-M4 is defective?

A fault becomes apparent through the airbag warning light in the instrument cluster, which lights up permanently or intermittently. In addition, error messages appear in the instrument cluster, the diagnostic tool cannot connect to the control unit, and the fault memory cannot be cleared.

In that case there is a risk that airbags and seatbelt pretensioners will not deploy in an emergency. The warning light shows exactly this condition directly.

Which vehicles is the 77960-SWA-H010-M4 fitted in?

The control unit 77960-SWA-H010-M4 belongs to these vehicles: Honda CR-V 3 RE (2006-2012).

You can find an overview of the vehicles here:

• Honda CR-V 3 RE (2006-2012)

Compare the number on the label with this page. That confirms it is the right unit. Having the fault memory read out before you remove the control unit shows whether the unit itself is the cause.

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-H010-M4 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only now remove the control unit. Online, create the repair order before sending in the properly packed unit.

Airbag24 checks the unit on the test bench, replaces defective components, deletes the stored crash data and carries out a function test. Processing 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-SWA-H010-M4 get to Airbag24?

Send the control unit to Airbag24 in a parcel, or book a UPS collection for an extra charge. Airbag24 sends the unit back by UPS after the repair.

The printed repair order goes into the parcel, and you pack the control unit shock-proof.