Airbag control unit with part number 77960-TG7-X020-M2

What does the airbag control unit 77960-TG7-X020-M2 do?

The airbag control unit 77960-TG7-X020-M2 makes the triggering decision in the restraint system (SRS) of Honda. To do this, it evaluates the signals from the crash sensors and determines within milliseconds in an accident which airbags and seatbelt pretensioners to trigger. After an accident, it stores crash data and locks itself.

It monitors the system continuously and shows faults via the airbag warning light in the instrument cluster.

Why does the control unit 77960-TG7-X020-M2 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

• Aged electronic components that no longer work properly
• Cold solder joints with disturbed contact
• Moisture and corrosion at plug connections
• Voltage spikes, for example from a weak battery or a jump start

The crash data remains in the unit even if no airbag was triggered, and it cannot be removed by ordinary means.

How can you tell that the 77960-TG7-X020-M2 is defective?

The airbag warning light in the instrument cluster lights up constantly or intermittently, an error message appears, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared. Then airbags and seatbelt pretensioners may possibly not trigger in an emergency.

The warning light is hard to miss, and that is exactly its purpose: it signals that something in the system is wrong.

A diagnostic tool that cannot make contact with the control unit is also a sign that a check is justified.

Which vehicles is the 77960-TG7-X020-M2 fitted in?

The airbag control unit 77960-TG7-X020-M2 is fitted in these vehicles: Honda Pilot 3rd generation (2015-2018) and 3rd generation Facelift (2018-2022). Whether your vehicle is among them can only be roughly read from the list.

The vehicles known to us for this number are listed below:

• Honda Pilot 3rd generation (2015-2018)
• Honda Pilot 3rd generation Facelift (2018-2022)

Compare the part number on the label of the removed unit with this page, because that only confirms that you have the correct unit. Have the fault memory read out; only this log 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-TG7-A110M2, 77960-TG7-R020-M2, 77960-TG7-R110-M2, 77960-TG7-R210-M2, 77960-TG7-X110-M2, 77960-TG7-X210-M2.

How does the repair of the 77960-TG7-X020-M2 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and remove the control unit. Next create a repair order online and send off the well-packed unit. Airbag24 checks it, replaces defective components, erases stored crash data and carries out a function test; processing usually takes 3–4 working days.

The sequence is fixed for safety reasons, because the battery is only disconnected after the read-out.

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-TG7-X020-M2 get to Airbag24?

You send the unit as a normal parcel, or for an extra charge book a UPS collection. Airbag24 returns it by UPS after the repair. Put the printed repair order into the parcel before you close it.

The control unit must be packed shockproof; a sturdy box with padding material is sufficient for this.