Airbag control unit with part number 77960-TL0-N920-M1

What does the airbag control unit 77960-TL0-N920-M1 do?

The 77960-TL0-N920-M1 is the airbag control unit of the restraint system of Honda. It evaluates the crash sensors and decides within milliseconds in an accident which airbags and seatbelt pretensioners are triggered.

The unit monitors the system continuously. If it detects a fault, it indicates this via the airbag warning light in the instrument cluster.

After an accident the control unit stores crash data and locks itself. This point is relevant for every inspection.

Why does the control unit 77960-TL0-N920-M1 fail?

The most common cause with the 77960-TL0-N920-M1 is stored crash data, even if no airbag was deployed. Further causes are:

• aged components in the electronics
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or a jump start

Crash data cannot be erased with a normal diagnostic tool. Airbag24 removes it during the repair.

How can you tell that the 77960-TL0-N920-M1 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently. A defect in the 77960-TL0-N920-M1 is also indicated by these features:

• fault message in the instrument cluster
• missing connection between the diagnostic tool and the control unit
• fault memory that cannot be cleared

Taken together, these signs show that the system is not fully functional.

In an emergency, airbags and seatbelt pretensioners may fail to trigger. Such an indication therefore needs prompt clarification.

Which vehicles is the 77960-TL0-N920-M1 fitted in?

The comparison with the vehicle data shows whether your car belongs to the group. The 77960-TL0-N920-M1 is fitted in these vehicles: Honda Accord 8th generation (2008-2015).

The list of vehicles shows the following:

• 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-N920-M1 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove the 77960-TL0-N920-M1 and create a repair order online. Then send the unit in, packed well.

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 at Airbag24 usually takes 3–4 working days. Your own unit then returns 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-N920-M1 get to Airbag24?

You send the 77960-TL0-N920-M1 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you by UPS.

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