Airbag control unit with part number 77960-TL0-G913-M1

What does the airbag control unit 77960-TL0-G913-M1 do?

The airbag control unit 77960-TL0-G913-M1 forms the central control unit of the restraint system (SRS) for Honda. It evaluates the signals from the crash sensors and decides in a crash within milliseconds which airbags and seatbelt pretensioners are triggered.

During operation the unit monitors the entire system continuously. If it detects a fault in sensors, wiring or output stages, it creates an entry in the fault memory and reports the fault via the airbag warning light in the instrument cluster.

After a crash the control unit stores crash data and locks itself. Only a repair lifts this lock.

Why does the control unit 77960-TL0-G913-M1 fail?

The most common cause is crash data stored after an accident, even if no airbag has triggered; a normal diagnostic tool cannot erase it. Further causes are aged electronic components, dry joints, moisture and corrosion on plug connectors, and voltage spikes, for example from a weak battery or jump-starting.

The crash data remain in memory because an ordinary reading device cannot reach them. The entry therefore persists even if the vehicle then drives without any noticeable problems.

Aged components, moisture on plugs or voltage spikes in the on-board power supply may also be causes. Which of these applies only becomes clear on examination.

How can you tell that the 77960-TL0-G913-M1 is defective?

A defect shows up at the airbag warning light in the instrument cluster, at an error message on the display, at a lack of connection to the diagnostic tool and at a fault memory that cannot be cleared.

• Airbag warning light in the instrument cluster stays on continuously or intermittently
• Error message in the instrument cluster
• Diagnostic tool cannot establish a connection to the control unit
• Fault memory cannot be cleared

In an emergency, airbags and seatbelt pretensioners may not trigger if the control unit is faulty.

If the warning light comes on, have the fault checked promptly rather than ignoring it.

Which vehicles is the 77960-TL0-G913-M1 fitted in?

The 77960-TL0-G913-M1 is fitted in these vehicles: Honda Accord 8th generation (2008-2015).

The following vehicles are on record:

• Honda Accord 8th generation (2008-2015)

Compare the part number on the label of the removed unit with this page, so that you can be sure you have the correct unit. Also have the fault memory read out before removal: this 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-S84-A86, 77960-TA0-A01, 77960-TA0-A011M4, 77960-TA0-A02, 77960-TA0-L02.

How does the repair of the 77960-TL0-G913-M1 work?

First have the fault memory read out and enclose the log. Then disconnect the battery before you remove the control unit and create the repair order online. Send the unit afterwards, packed well.

Note this order, because the control unit may only be removed after the battery has been disconnected. The log of the fault memory belongs in the parcel.

Airbag24 examines the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. Processing usually takes 3–4 working days.

The repaired unit is then 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-TL0-G913-M1 get to Airbag24?

You send the 77960-TL0-G913-M1 as a parcel or book a UPS collection for an extra charge. Airbag24 sends the unit back to you by UPS after the repair.

Put the printed repair order into the parcel and pack the control unit shock-resistant.