Airbag control unit with part number 77960-SKN-G812-M1

What does the airbag control unit 77960-SKN-G812-M1 do?

The control unit 77960-SKN-G812-M1 is the control unit of the restraint system (SRS) of Honda. It evaluates the crash sensors, decides in a crash whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. Faults appear via the airbag warning light.

From the sensor data the unit calculates how severe an impact is. On this basis the decision is made in fractions of a second.

Once an accident is detected, the unit stores crash data and then locks itself. This is part of how it works.

Why does the control unit 77960-SKN-G812-M1 fail?

Stored crash data from an accident is the most common cause with the 77960-SKN-G812-M1, even if no airbag fired. A normal diagnostic tool does not make it disappear. Added to this are aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example with a weak battery or jump starting.

The entry in the memory remains regardless of whether an airbag actually fired. It therefore does not automatically say anything about the condition of the electronics.

The remaining causes concern the electronics and their connections. Components age, solder joints can be weak points, and moisture or rust impair the contact.

How can you tell that the 77960-SKN-G812-M1 is defective?

You can tell that the 77960-SKN-G812-M1 is defective by the airbag warning light in the instrument cluster, which stays on permanently or intermittently. A fault message, a diagnostic tool with no connection to the control unit or a fault memory that cannot be cleared also indicate a defect.

• Warning light in the instrument cluster on permanently or intermittently
• Error message in the instrument cluster
• No connection between diagnostic tool and control unit
• Fault memory cannot be cleared

In these cases airbags and seatbelt pretensioners may possibly not trigger in an emergency. The warning light is therefore a sign you should take seriously.

Which vehicles is the 77960-SKN-G812-M1 fitted in?

The control unit 77960-SKN-G812-M1 is fitted in these vehicles: Honda CR-V 3 RE (2006-2012).

The vehicle assignment as a list:

• Honda CR-V 3 RE (2006-2012)

Before you remove the unit, compare the part number on the label with this page. That only confirms the matching unit, nothing more. Additionally have the fault memory read out, because only this log shows whether the control unit or a connector or cable 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-SKN-G812-M1 work?

First have the fault memory read out, then disconnect the battery and only then remove the control unit. Afterwards you create the repair order online and send in the packed unit. At Airbag24 the processing of the 77960-SKN-G812-M1 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components and deletes the stored crash data. A function test follows, and your own unit is 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-SKN-G812-M1 get to Airbag24?

You send the 77960-SKN-G812-M1 as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 sends the unit back by UPS. The printed repair order goes into the parcel, and the unit is packed shock-proof.

A sturdy box with enough padding is enough to get the control unit through transport undamaged.