Airbag control unit with part number 77960-T6A-H130-M2

What does the airbag control unit 77960-T6A-H130-M2 do?

The airbag control unit 77960-T6A-H130-M2 is the central unit of the SRS restraint system in Honda. It processes the measured values from the crash sensors and decides in an impact which airbags and seatbelt pretensioners are triggered. After an accident it stores crash data and locks itself.

The control unit also monitors the entire system while stationary and while driving. If it detects a fault, it records it and signals it via the airbag warning light.

The lock after an accident is part of the system's design.

Why does the control unit 77960-T6A-H130-M2 fail?

For the 77960-T6A-H130-M2, crash data from an accident are the most common cause, even if no airbag was triggered. Aged electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes, for example from a weak battery or jump-start, are also possible. Ordinary diagnostic tools cannot erase the crash data.

The crash data record what the control unit captured during the event. It makes no difference whether visible damage occurred on the vehicle.

The other causes relate to wear and environmental influences. Aged components lose reliability, solder joints can go cold, and moisture with corrosion at connectors disturbs contact.

How can you tell that the 77960-T6A-H130-M2 is defective?

A defect in the 77960-T6A-H130-M2 shows up as a warning light, a fault message in the instrument cluster, no connection to the diagnostic tool, or a fault memory that cannot be cleared. In these cases airbags and seatbelt pretensioners may not deploy in an emergency.

Typical signs at a glance:

• airbag warning light in the instrument cluster lights up permanently or intermittently
• fault message in the instrument cluster
• diagnostic tool receives no connection to the control unit
• fault memory cannot be cleared

The warning light is the clearest signal, because it shows the fault as soon as it is detected. Take the indication seriously and have the system checked promptly.

Which vehicles is the 77960-T6A-H130-M2 fitted in?

The control unit 77960-T6A-H130-M2 is fitted in the following vehicles of Honda: Honda Odyssey 5th generation (from 2013). A comparison is worthwhile before you remove the unit.

The list below names the vehicles known to us for this part number.

• Honda Odyssey 5th generation (from 2013)

Compare the part number on the label of the removed unit with this page. That only confirms the correct unit, and nothing more. Have the fault memory read out beforehand, because only that result shows whether the control unit is defective or a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-THR-A02, 77960-THR-A03, 77960-TK8-A011-M1, 77960-TK8-D01.

How does the repair of the 77960-T6A-H130-M2 work?

First have the fault memory read out and attach the log to the order. Then disconnect the battery, and only then remove the control unit 77960-T6A-H130-M2. Finally, create a repair order online and send the unit in well packed.

Airbag24 examines the unit, repairs defective components, erases stored crash data and carries out a functional test. Processing at Airbag24 usually takes 3–4 working days. Afterwards the unit goes back 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-T6A-H130-M2 get to Airbag24?

You send the control unit 77960-T6A-H130-M2 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

The printed repair order belongs in the package, and the unit must be packed shock-proof.