Airbag control unit with part number 77960-TL0-G920-M1

What does the airbag control unit 77960-TL0-G920-M1 do?

The airbag control unit 77960-TL0-G920-M1 is the central control unit of the restraint system (SRS) for Honda. It evaluates the signals of the crash sensors and decides in an accident, within milliseconds, which airbags and seatbelt pretensioners are triggered. After an accident it stores crash data and locks itself.

The system is monitored continuously in the background. If the unit reports a fault, it shows this via the airbag warning light in the instrument cluster. To do so, the sensors continuously supply measured values, which the control unit evaluates.

Why does the control unit 77960-TL0-G920-M1 fail?

The most common cause with the 77960-TL0-G920-M1 is crash data stored after an accident, even if no airbag has triggered. Further causes are ageing of the electronics, moisture at plug connectors and voltage spikes.

Airbag24 erases the crash data as part of the repair. An ordinary diagnostic tool cannot remove it.

• aged electronic components inside the unit
• cold solder joints on the circuit board
• moisture and corrosion at plug connectors
• voltage spikes, for example from a weak battery or a jump start

How can you tell that the 77960-TL0-G920-M1 is defective?

With the 77960-TL0-G920-M1, the airbag warning light in the instrument cluster stays on permanently or intermittently. In addition, an error message may appear in the instrument cluster. The diagnostic tool then finds no connection to the control unit, and the fault memory cannot be cleared.

As long as these signs are present, airbags and seatbelt pretensioners may possibly fail to trigger in an emergency. The light is therefore a clear signal that you should have checked promptly.

Which vehicles is the 77960-TL0-G920-M1 fitted in?

The unit with the part number 77960-TL0-G920-M1 was built for Honda. It is fitted in these vehicles: Honda Accord 8th generation (2008-2015).

The assignment is shown by this list:

• Honda Accord 8th generation (2008-2015)

First compare the part number on the label of the removed unit with this page. This only ensures that you have the right unit in front of you. In addition, have the fault memory read out beforehand, because only the result shows whether the control unit is defective or a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-S84-A86, 77960-TA0-A01, 77960-TA0-A011M4, 77960-TA0-A02, 77960-TA0-L02.

How does the repair of the 77960-TL0-G920-M1 work?

Have the fault memory read out first and enclose the log with the unit. Only then disconnect the battery and remove the control unit. Airbag24 needs 3–4 working days for checking, repairing and the function test as a rule.

Afterwards create the repair order online and send the unit well packed. At Airbag24 the unit is examined on the test bench, defective components are repaired, the stored crash data is erased and a function test is carried out. Then your own unit goes 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-TL0-G920-M1 get to Airbag24?

You send the control unit 77960-TL0-G920-M1 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Place the printed repair order in the parcel and pack the control unit shock-resistant.