Airbag control unit with part number 77960-SVA-A211-M1

What does the airbag control unit 77960-SVA-A211-M1 do?

The airbag control unit 77960-SVA-A211-M1 controls the restraint system (SRS) in the Honda vehicle. In an accident, it evaluates the crash sensors and determines within milliseconds which airbags and seatbelt pretensioners are triggered.

At the same time, it monitors the system continuously and stores detected faults. These are indicated via the airbag warning light.

After an accident, the unit stores crash data and locks itself.

Why does the control unit 77960-SVA-A211-M1 fail?

The most common cause for the 77960-SVA-A211-M1 is crash data after an accident, even if no airbag has triggered. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data cannot be removed with a standard diagnostic tool. It therefore remains stored until Airbag24 erases it during the repair.

Aged components lose reliability over time. Cold solder joints and corrosion on the plugs worsen the contact, and moisture adds to both. Voltage spikes, for example from a weak battery or a jump start, stress the electronics.

How can you tell that the 77960-SVA-A211-M1 is defective?

A defect on the 77960-SVA-A211-M1 shows itself through these signs: the airbag warning light in the instrument cluster lights up permanently or intermittently, a fault message appears, the diagnostic tool finds no connection, or the fault memory cannot be cleared. Then airbags and seatbelt pretensioners may not trigger in an emergency.

Typical signs at a glance:

• The airbag warning light in the instrument cluster lights up permanently or intermittently.
• A fault message appears in the instrument cluster.
• The diagnostic tool cannot connect to the control unit.
• The fault memory cannot be cleared.

With such a finding, the restraint system has not been checked. Please have it examined promptly.

Which vehicles is the 77960-SVA-A211-M1 fitted in?

The 77960-SVA-A211-M1 is fitted in these vehicles: Honda Civic 8th generation (2005-2011).

For this part number, the following vehicles are on record at Airbag24:

• Honda Civic 8th generation (2005-2011)

Compare the part number on the label of the removed unit with this page to make sure it is the correct unit. Additionally have the fault memory read out, because this result shows whether the control unit itself is defective or a connector or a cable is the cause.

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-SVA-A211-M1 work?

Processing at Airbag24 usually takes 3–4 working days. Beforehand, read out the fault memory and attach the log, then disconnect the battery and remove the 77960-SVA-A211-M1. Create the repair order online afterwards.

Airbag24 checks the unit, replaces defective components, erases stored crash data and carries out a function test. Afterwards 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-SVA-A211-M1 get to Airbag24?

The control unit 77960-SVA-A211-M1 is sent in as a parcel, or you book a UPS collection for an extra charge. Airbag24 sends the unit back to you by UPS after the repair.

Pack the unit shock-proof and enclose the printed repair order.