Airbag control unit with part number 77960-TR0-X014-M1

What does the airbag control unit 77960-TR0-X014-M1 do?

The airbag control unit 77960-TR0-X014-M1 takes over central control in the restraint system (SRS) of Honda. It evaluates the crash sensors and, in the event of an accident, determines within fractions of a second which airbags and seatbelt pretensioners are triggered. After an accident, it writes crash data to its memory and locks itself.

Outside of an accident, the control unit checks the system continuously. If it detects a fault, it reports this to the driver via the airbag warning light.

This way it remains traceable whether the protective devices are ready for use.

Why does the control unit 77960-TR0-X014-M1 fail?

Stored crash data that arises after an accident is most often the cause, even if no airbag has deployed. A normal diagnostic tool cannot erase it. Other causes include aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

The crash data is held in the memory of the control unit, and an ordinary diagnostic tool does not remove it.

The other causes are deliberately kept general. Electronic components age, solder joints can become brittle, and moisture as well as corrosion attack plug connections. Voltage spikes, for example from a weak battery or a jump start, put additional strain on the electronics.

How can you tell that the 77960-TR0-X014-M1 is defective?

The airbag warning light in the instrument cluster lights up permanently or only intermittently. In addition, the instrument cluster shows an error message, the diagnostic tool cannot find the control unit 77960-TR0-X014-M1, and the fault memory cannot be cleared.

A warning symbol that lights up permanently or keeps coming back must not be overlooked, because it is the direct feedback from the system.

While the fault persists, airbags and seatbelt pretensioners may possibly not deploy in an emergency. The finding should therefore be checked promptly.

Which vehicles is the 77960-TR0-X014-M1 fitted in?

A look at the assignment is worthwhile before removal. The control unit 77960-TR0-X014-M1 is fitted in these vehicles: Honda Civic 9th generation (2011-2017).

The vehicles are listed here:

• Honda Civic 9th generation (2011-2017)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the right unit. The cause is only clarified by the read-out fault memory, because it shows whether the control unit is defective or whether a plug or cable is causing the fault.

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-X014-M1 work?

First have the fault memory read out and enclose the log, then disconnect the battery and only then remove the control unit 77960-TR0-X014-M1. Create the repair order online and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test at the end. Your own unit then reaches you again.

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-X014-M1 get to Airbag24?

You can send the control unit 77960-TR0-X014-M1 in as a parcel or have it collected by UPS for an extra charge. Airbag24 returns it by UPS after the repair.

Pack the unit shockproof and enclose the printed repair order.