Airbag control unit with part number 77960-SAA-G811-M1

What does the airbag control unit 77960-SAA-G811-M1 do?

The airbag control unit 77960-SAA-G811-M1 coordinates the restraint system (SRS) of Honda. It checks the sensors continuously and decides in a crash on airbags and seatbelt pretensioners. If there is a fault, it reports it via the airbag warning light.

In a crash, the triggering must take place within a few milliseconds. To achieve this, the unit processes the messages from several sensors at the same time.

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

Why does the control unit 77960-SAA-G811-M1 fail?

The most common cause is that crash data was stored after an accident, even without an airbag deployment. A standard diagnostic tool cannot erase it. Other causes include aged components, cold solder joints, moisture and corrosion, and voltage spikes.

At Airbag24, erasing the crash data is part of the repair.

Aged electronic components and cold solder joints also belong here. Moisture and corrosion mainly attack the plug connections, and voltage spikes occur, for example, from a weak battery or a jump start.

How can you tell that the 77960-SAA-G811-M1 is defective?

The airbag warning light lights up permanently or intermittently, a fault message appears in the instrument cluster, the diagnostic tool does not connect to the control unit, and the fault memory cannot be cleared.

The signs at a glance:

• Airbag warning light in the instrument cluster, permanently or intermittently
• Fault message in the instrument cluster
• No connection between diagnostic tool and control unit
• Fault memory cannot be cleared

In an emergency, airbags and seatbelt pretensioners may fail to deploy while the fault persists.

Which vehicles is the 77960-SAA-G811-M1 fitted in?

The 77960-SAA-G811-M1 was fitted in these models: Honda Jazz GD (2001-2008).

An overview as a list:

• Honda Jazz GD (2001-2008)

Comparing the part number on the label of the removed unit with this page only confirms that you have the correct unit in front of you. Whether the control unit itself is defective or a plug or cable is the cause is shown by the fault memory, which you have read out beforehand.

For the same vehicles, we also repair control units with the part numbers 5WK43461, 77960-SAA-E610-M1, 77960-SAA-E81, 77960-SAA-E812-M1, 77960-SLNL230-M1.

How does the repair of the 77960-SAA-G811-M1 work?

You have the fault memory read out and the log attached before you disconnect the battery and remove the control unit. Then create a repair order online and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

On the test bench, Airbag24 examines the unit. Defective components are replaced, the crash data is erased, and a function test follows before 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-SAA-G811-M1 get to Airbag24?

Either you send the unit in as a parcel, or you book a UPS collection for an extra charge. After the repair, the unit also comes back by UPS.

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