Airbag control unit with part number 77960-T5A-N830-M1

What does the airbag control unit 77960-T5A-N830-M1 do?

The airbag control unit 77960-T5A-N830-M1 coordinates the triggering of airbags and seatbelt pretensioners in the vehicle for Honda. It evaluates the crash sensors, decides on triggering in an accident and reports faults via the airbag warning light.

It is the switching point of the entire system: the sensor signals converge there, and the decision is made within a few moments.

After an accident the unit stores crash data and locks itself. Only the repair ends this state.

Why does the control unit 77960-T5A-N830-M1 fail?

The most common cause is crash data left in the memory after an accident, even though no airbag fired. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, for example with a weak battery or a jump start.

A standard diagnostic tool cannot access this data. Erasing it is part of the repair at Airbag24.

Aged electronic components can lose performance over time. Cold solder joints make contacts move, so faults come and go.

Moisture and corrosion at plug connectors lead to transition resistance. Voltage spikes additionally stress the circuit, for example from a weak battery or a jump start.

How can you tell that the 77960-T5A-N830-M1 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition there are fault messages in the instrument cluster, no connection between the diagnostic tool and the control unit, and a fault memory that cannot be cleared.

For you, the warning light in the instrument cluster is the first warning signal. When it is lit, airbags and seatbelt pretensioners may not fire in an emergency.

If such a message appears, have the system checked promptly.

Which vehicles is the 77960-T5A-N830-M1 fitted in?

The 77960-T5A-N830-M1 was fitted in these vehicles: Honda Jazz GK (2013-2023).

The overview here lists the vehicles that are assigned to this part number:

• Honda Jazz GK (2013-2023)

Comparing the part number on the label of the removed unit with this page only confirms that you have the right unit. It proves nothing more.

Have the fault memory read out before you remove anything. The log then shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-SAA-F911-M1, 77960-SAA-G821-M1.

How does the repair of the 77960-T5A-N830-M1 work?

Processing at Airbag24, including checking, repairing and testing, usually takes 3–4 working days. Before removal, read out the fault memory, enclose the log and disconnect the battery.

Only then do you remove the control unit, create a repair order online and send the unit in well packed.

Airbag24 checks the unit on the test bench and replaces defective components. The crash data is erased, followed by a function test, and your own unit comes 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-T5A-N830-M1 get to Airbag24?

You send the control unit 77960-T5A-N830-M1 yourself as a parcel or book a UPS collection for an extra charge. The return journey is handled by Airbag24 with UPS.

Pack the control unit shock-proof and put the printed repair order in the parcel.