Airbag control unit with part number 77960-TR0-F614-M1

What does the airbag control unit 77960-TR0-F614-M1 do?

The airbag control unit 77960-TR0-F614-M1 forms the central control unit of the restraint system (SRS) in Honda. It evaluates the crash sensors, determines in an accident which airbags and seatbelt pretensioners are triggered, and checks the system constantly.

It stores faults in the fault memory and shows them to the driver via the airbag warning light. This display is the signal you should notice first.

After an accident the unit stores crash data and locks itself. Further diagnosis therefore begins with the fault memory, which a specialist workshop has read out.

Why does the control unit 77960-TR0-F614-M1 fail?

The unit most often fails because of crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot erase it. Other, more general causes add to this.

Further causes at a glance:

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

Which cause applies in each case only becomes clear from analysing the fault memory together with a visual check of the connectors.

How can you tell that the 77960-TR0-F614-M1 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently when there is a defect. Fault messages appear alongside it, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared.

In that case airbags and seatbelt pretensioners may not deploy in a crash. A warning light that stays on permanently should therefore be checked promptly, not left alone.

Which vehicles is the 77960-TR0-F614-M1 fitted in?

The 77960-TR0-F614-M1 is fitted in these vehicles: Honda Civic 9th generation (2011-2017).

The list of vehicles for this part number reads:

• Honda Civic 9th generation (2011-2017)

Comparing the part number on the label with this page only ensures that you have removed the correct unit. Whether the control unit is defective or a plug or cable is the cause is decided only by the fault memory. Have it read out before removal.

For the same vehicles, we also repair control units with the part numbers 77960-TS4-U411-M1, 77960-TS4-U811-M2, 77960-TS4-Z611-M1, 77960-TS6-H711-M1, 77960-TT0-T011-M1, 77960-TT0-Y610-M2.

How does the repair of the 77960-TR0-F614-M1 work?

At Airbag24 processing usually takes 3–4 working days. Beforehand, have the fault memory read out, attach the log, disconnect the battery and remove the control unit.

Then create a repair order online and send the unit in well packed. Airbag24 tests the unit on the test bench, replaces defective components, clears stored crash data and carries out a function test.

Afterwards your own unit is 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-TR0-F614-M1 get to Airbag24?

The unit arrives at Airbag24 as a parcel: you send it yourself or book a UPS collection for an extra charge. After repair it is returned to you by UPS.

The printed repair order goes in the parcel. Pack the control unit shock-proof.