Airbag control unit with part number 77960-TA0-L010-M4

What does the airbag control unit 77960-TA0-L010-M4 do?

The airbag control unit 77960-TA0-L010-M4 controls the restraint system (SRS) for Honda. It checks the crash sensors and the entire system continuously, and in a crash it decides which airbags and seatbelt pretensioners are triggered.

The evaluation takes place within fractions of a second. If a fault occurs, the airbag warning light in the instrument cluster lights up.

After an accident, the unit stores crash data and locks itself. The lock is lifted only with the repair.

Why does the control unit 77960-TA0-L010-M4 fail?

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

A standard diagnostic tool cannot erase this crash data. Airbag24 erases it during the repair.

Further causes at a glance:

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

Which of these triggers applies in the individual case is shown only by the test of the unit.

How can you tell that the 77960-TA0-L010-M4 is defective?

A defect in the 77960-TA0-L010-M4 shows itself through the airbag warning light, error messages in the instrument cluster, a diagnostic tool without a connection, or a fault memory that cannot be cleared. In an emergency, the airbags and seatbelt pretensioners may then fail to deploy.

The airbag warning light in the instrument cluster stays on or comes on intermittently as soon as the unit has detected a fault. It is therefore the sign that indicates the defect, and it should not be ignored.

A diagnostic tool that cannot establish a connection to the control unit, and a fault memory that cannot be cleared, also point to a malfunction. Have such signs checked promptly, even if the vehicle appears inconspicuous in everyday use.

Which vehicles is the 77960-TA0-L010-M4 fitted in?

The 77960-TA0-L010-M4 is fitted in these vehicles: Honda Accord 8th generation (2008-2015).

The vehicles known to us for this part number follow here.

• Honda Accord 8th generation (2008-2015)

Compare the part number on the label of the removed unit with this page. This only tells you that you have the right unit. Also have the fault memory read out before removal. Only this result shows whether the control unit itself 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-TA0-L010-M4 work?

First have the fault memory read out, then disconnect the battery and only afterwards remove the 77960-TA0-L010-M4. Processing at Airbag24 usually takes 3–4 working days.

Attach the log to the unit. Then create a repair order online and pack the control unit well before you send it in.

Airbag24 tests the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. These 3–4 working days cover only the checking, repairing and testing at Airbag24.

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-TA0-L010-M4 get to Airbag24?

You can send the control unit 77960-TA0-L010-M4 as a parcel or have it collected by UPS for an extra charge. Airbag24 sends your own unit back to you by UPS after the repair.

The printed repair order goes into the parcel. Pack the unit shockproof before it is sent.