Airbag control unit with part number 77960-T6E-T411-M3

What does the airbag control unit 77960-T6E-T411-M3 do?

For Honda, the 77960-T6E-T411-M3 is the central control unit of the restraint system (SRS). It evaluates signals from the crash sensors and decides within milliseconds in the event of an accident which airbags and seatbelt pretensioners are triggered.

It monitors the entire system continuously. Faults appear via the airbag warning light in the instrument cluster.

After an accident, the unit stores crash data and locks itself.

Why does the control unit 77960-T6E-T411-M3 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; it cannot be erased with a normal diagnostic tool. Other possible causes include aged electronic components, cold solder joints, moisture and corrosion on plug connectors, and voltage spikes such as those from a weak battery or a jump start.

These causes concern either the control unit itself or the electrical supply and connection to it.

Which of these applies in your case is shown by the fault memory.

How can you tell that the 77960-T6E-T411-M3 is defective?

Typically, the airbag warning light in the instrument cluster lights up permanently or intermittently. In addition, an error message appears in the instrument cluster, the diagnostic tool finds no connection to the control unit, and the fault memory cannot be cleared.

If the warning light comes on, airbags and seatbelt pretensioners may not be able to deploy in an emergency.

Have the fault checked promptly to find out what is wrong.

Which vehicles is the 77960-T6E-T411-M3 fitted in?

The 77960-T6E-T411-M3 is fitted in these vehicles: Honda CR-V 4 RM (2012-2018).

The vehicles for this part number are listed here:

• Honda CR-V 4 RM (2012-2018)

Comparing the part number on the label of the removed unit with this page gives you certainty that you have the right unit. Whether the control unit itself is defective, or the plugs and cables are responsible, only becomes clear from the fault memory read out in advance.

For the same vehicles, we also repair control units with the part numbers 77960-T0A-3070-M4, 77960-T0A-A012-M1, 77960-T0A-A013-M1, 77960-T0A-A210-M1, 77960-T0A-A212-M1, 77960-T0A-A230-M1.

How does the repair of the 77960-T6E-T411-M3 work?

First have the fault memory read out and enclose the log with the unit. Then disconnect the battery and remove the control unit. Finally, create the repair order online and send the unit in, well packed.

At Airbag24 the unit is checked, defective components are replaced where necessary, and stored crash data is erased. A function test follows, and then the unit is sent back. Processing usually takes 3–4 working days.

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-T6E-T411-M3 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you via UPS.

Enclose the printed repair order with the unit and pack everything shockproof.