Airbag control unit with part number 77960-TL0-X012-M1

What does the airbag control unit 77960-TL0-X012-M1 do?

The 77960-TL0-X012-M1 is the central control unit of the restraint system (SRS) of Honda. It processes the signals from the crash sensors and decides within milliseconds in an accident which airbags and seatbelt pretensioners are triggered.

Between events, the unit monitors the system continuously. If it detects a fault, the airbag warning light in the instrument cluster lights up.

After an accident it stores crash data and locks itself. This point is crucial during testing and repair.

Why does the control unit 77960-TL0-X012-M1 fail?

The most common cause is crash data stored after an accident, even if no airbag was deployed. Other causes include aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

A normal diagnostic tool cannot erase crash data. It therefore stays in memory, and Airbag24 removes it during the repair.

The other causes are related to ageing, moisture and electrical stress. A weak battery or a jump start can produce voltage spikes that put the unit under strain.

How can you tell that the 77960-TL0-X012-M1 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently. With the 77960-TL0-X012-M1, a fault message in the instrument cluster, a lost connection to the diagnostic tool or a fault memory that cannot be cleared may also appear.

The light is the first visible sign, and anyone who notices it will recognise early that the system is not working fully.

If the control unit is defective, airbags and seatbelt pretensioners may fail to trigger in an emergency. Such an indication therefore needs prompt clarification.

Which vehicles is the 77960-TL0-X012-M1 fitted in?

A comparison with the vehicle data shows whether your car is affected. The 77960-TL0-X012-M1 is fitted in these vehicles: Honda Accord 8th generation (2008-2015).

The list of vehicles is shown here:

• Honda Accord 8th generation (2008-2015)

Compare the part number on the label of the removed unit with this page, so that you know it is the right unit. Also have the fault memory read out beforehand. Only this result 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-S84-A86, 77960-TA0-A01, 77960-TA0-A011M4, 77960-TA0-A02, 77960-TA0-L02.

How does the repair of the 77960-TL0-X012-M1 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, and only then remove the 77960-TL0-X012-M1 and create a repair order online before sending the unit in well packed.

At Airbag24 the unit is examined on the test bench, defective components are repaired, the crash data is erased and a function test is carried out. Processing usually takes 3–4 working days. You then receive your own unit back.

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-X012-M1 get to Airbag24?

You send the 77960-TL0-X012-M1 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns the control unit to you by UPS.

Put the printed repair order in the parcel and pack the unit shockproof.