Airbag control unit with part number 77960-T5C-J910-M1

What does the airbag control unit 77960-T5C-J910-M1 do?

The airbag control unit 77960-T5C-J910-M1 is the central control unit of the SRS system of Honda. It evaluates the crash sensors, decides in an accident within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. It shows any faults that occur via the airbag warning light.

In everyday driving the unit works unnoticed in the background. It checks the connections to sensors and actuators without you noticing anything.

After an accident, the unit stores crash data and locks itself. It is the repair that ends this lock.

Why does the control unit 77960-T5C-J910-M1 fail?

The most common cause for 77960-T5C-J910-M1 is stored crash data, even if no airbag was triggered in the accident. Diagnostic tools used in normal operation cannot remove this data.

The crash data remain stored in the unit, and Airbag24 erases them only as part of the repair.

Another group concerns the electronics themselves: aged components and cold solder joints can cause faults that show up in a test.

Moisture and corrosion at plug connections disturb signal transmission, and voltage spikes, for example from a weak battery or jump-starting, place additional strain on the unit.

How can you tell that the 77960-T5C-J910-M1 is defective?

A defect on the 77960-T5C-J910-M1 shows up in several signs that you can notice in the instrument cluster or on the diagnostic tool. The signs at a glance:

• airbag warning light in the instrument cluster lights up permanently or intermittently
• error message in the instrument cluster
• diagnostic tool receives no connection to the control unit
• fault memory cannot be cleared

Airbags and seatbelt pretensioners may then fail to deploy in an emergency. The light is therefore a warning signal that you should take seriously.

Which vehicles is the 77960-T5C-J910-M1 fitted in?

A comparison with the vehicle registration document shows whether your car is among them. The airbag control unit 77960-T5C-J910-M1 is fitted in these vehicles: Honda Jazz GK (2013-2023).

The vehicles are listed here:

• Honda Jazz GK (2013-2023)

The part number is on the label of the removed unit; compare it with this page, and then you know it is the right unit. Also have the fault memory read out, because only the result shows whether the control 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-T5C-J910-M1 work?

For the 77960-T5C-J910-M1, first have the fault memory read out and attach the log. Then disconnect the battery and only afterwards remove the control unit. Then create a repair order online, and send the well-packed unit in. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test before it goes back. Checking, repairing and testing at Airbag24 usually take 3–4 working days.

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-T5C-J910-M1 get to Airbag24?

Your way to Airbag24 runs either via a parcel that you send yourself, or via a UPS collection that you book for an extra charge. After the repair, Airbag24 sends the control unit 77960-T5C-J910-M1 back to you by UPS.

Print the repair order and place it in the parcel, then pack the unit shock-proof.