Airbag control unit with part number 77960-T5A-A210-M1

What does the airbag control unit 77960-T5A-A210-M1 do?

The airbag control unit 77960-T5A-A210-M1 coordinates the restraint system (SRS) of Honda. From the signals of the crash sensors, it calculates in an accident which airbags and seatbelt pretensioners to trigger, and it continuously checks whether all components are working. It shows faults via the airbag warning light.

The self-test runs throughout operation. It covers wiring and connections as well as the sensor system.

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

Why does the control unit 77960-T5A-A210-M1 fail?

Stored crash data after an accident is the most common cause, even without a deployed airbag, and a normal diagnostic tool does not erase it. In addition come aged electronics, cold solder joints, corrosion and moisture at plug connections, and voltage spikes, for example with a weak battery or a jump start.

The crash data is stored in the control unit, and reading it out with the diagnostic tool does not remove it.

All other causes act on the electronics themselves or on their connections. Components lose reliability with age, moisture attacks contacts, and voltage spikes from the vehicle electrical system stress the circuit.

How can you tell that the 77960-T5A-A210-M1 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, an error message appears in the instrument cluster, the diagnostic tool cannot reach the control unit, and the fault memory cannot be cleared.

If the warning light comes on, the fault has already been detected and displayed. In an emergency, airbags and seatbelt pretensioners may then fail to deploy. It is therefore advisable not to ignore the warning.

Which vehicles is the 77960-T5A-A210-M1 fitted in?

The airbag control unit 77960-T5A-A210-M1 is fitted in these vehicles: Honda Jazz GK (2013-2023). The assignment is based on the data for this number.

Here is the overview, as we maintain it:

• Honda Jazz GK (2013-2023)

Comparing the label number of the removed unit with this page only confirms the identity of the control unit. Having the fault memory read out, on the other hand, clarifies whether the unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-T5A-A212-M1, 77960-T5A-E010-M1, 77960-T5A-E011-M1, 77960-T5A-E020-M1, 77960-T5A-F010-M1, 77960-T5A-F011-M1.

How does the repair of the 77960-T5A-A210-M1 work?

Processing at Airbag24 usually takes 3–4 working days. First, have the fault memory read out and enclose the log, then disconnect the battery and remove the control unit. Afterwards, create a repair order online and send the unit in.

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and performs a function test. Afterwards, your 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-T5A-A210-M1 get to Airbag24?

Your route is via a parcel or a UPS pickup that you book for an extra charge. The return shipment after the repair is made by UPS.

Pack the printed repair order in with it and cushion the control unit shock-proof.