Airbag control unit with part number 77960-TF0-Z832-M3

What does the airbag control unit 77960-TF0-Z832-M3 do?

The airbag control unit 77960-TF0-Z832-M3 manages the restraint system (SRS) of Honda. It processes the measured values of the crash sensors, selects in an emergency which airbags and seatbelt pretensioners are triggered, and checks the entire system. Faults found are passed on via the airbag warning light.

The check runs in the background as soon as the vehicle is in operation, so that deviations are noticed early.

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

Why does the control unit 77960-TF0-Z832-M3 fail?

The most common cause is crash data stored after an accident, even if no airbag has fired. It cannot be cleared with a normal diagnostic tool, so the fault remains until the unit has been repaired. Aged electronics, cold solder joints, moisture and corrosion on plug connections, and voltage spikes are also to be considered.

Voltage spikes arise, for example, with a weak battery or with jump-starting. Moisture and corrosion attack the contacts, which can disturb the connection between unit and vehicle.

How can you tell that the 77960-TF0-Z832-M3 is defective?

Typical signs are an airbag warning light that lights up constantly or intermittently, and fault messages in the instrument cluster. In addition, the diagnostic tool cannot establish a connection with the control unit, and the fault memory cannot be cleared.

The warning light shows early that something is wrong in the restraint system. As long as the fault exists, airbags and seatbelt pretensioners may not trigger in an emergency.

Which vehicles is the 77960-TF0-Z832-M3 fitted in?

The airbag control unit 77960-TF0-Z832-M3 is fitted in these vehicles: Honda Jazz GE (2008-2015). The part number on the label of the removed unit can be checked against this page.

These vehicles are recorded for the control unit:

• Honda Jazz GE (2008-2015)

The comparison only shows that the correct unit is present. Having the fault memory read out beforehand, on the other hand, shows whether the control unit is defective or a connector or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 5WK43461, 77960-SAA-G821-M1, 77960-SEG-G821-M1, 77960-TF0-G820-M3, 77960-TF0-G821.

How does the repair of the 77960-TF0-Z832-M3 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only now remove the 77960-TF0-Z832-M3. Next create the repair order online and send the unit in, well packed.

At Airbag24 the unit is checked on the test bench, defective components are replaced, the crash data is erased, and a functional test is carried out. Airbag24 usually plans 3–4 working days for this.

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-TF0-Z832-M3 get to Airbag24?

Either you send the control unit 77960-TF0-Z832-M3 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit by UPS.

Print out the repair order and put it in the parcel. Pack the unit shock-proof.