Airbag control unit with part number 77960-TR0-H714-M1

What does the airbag control unit 77960-TR0-H714-M1 do?

The airbag control unit 77960-TR0-H714-M1 controls the restraint system (SRS) for Honda. It evaluates the crash sensors and decides within milliseconds in a crash which airbags and seatbelt pretensioners are triggered.

At the same time, it checks the system continuously. A detected fault appears on 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-TR0-H714-M1 fail?

The most common cause is stored crash data from an accident, even if no airbag has deployed. A normal diagnostic tool cannot erase it. Other possible causes include aged components, cold solder joints, moisture and corrosion, and voltage spikes.

Crash data of this kind remains stored until Airbag24 erases it during the repair.

Electronic components age over time, and solder joints can go cold. Such weak points often go unnoticed in everyday use for a long time.

Moisture and corrosion at plug connections disrupt the contact. Voltage spikes occur, for example, with a weak battery or when jump-starting, and only the fault memory shows the specific cause.

How can you tell that the 77960-TR0-H714-M1 is defective?

A defect shows up as the airbag warning light, which stays on permanently or intermittently, as fault messages in the instrument cluster, as a diagnostic tool with no connection to the control unit, and as a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not trigger.

These signs are typical:

• Airbag warning light stays on permanently or intermittently
• Fault message in the instrument cluster
• No connection between diagnostic tool and control unit
• Fault memory cannot be cleared

The warning light is a clear signal. Have the system checked promptly as soon as one of these signs appears.

Which vehicles is the 77960-TR0-H714-M1 fitted in?

The details refer to Honda. The control unit 77960-TR0-H714-M1 is fitted in these vehicles: Honda Civic 9th generation (2011-2017).

The individual vehicles:

• Honda Civic 9th generation (2011-2017)

Compare the part number on the label of the removed unit with this page. This only confirms that you have the right unit. Also have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a plug or cable is the cause.

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-H714-M1 work?

You have the fault memory read out and enclose the log. Then you disconnect the battery, and only then remove the control unit. Online, you create the repair order and send the unit well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 places the unit on the test bench, replaces defective components, erases stored crash data and then 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-H714-M1 get to Airbag24?

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

Pack the unit shock-resistant and enclose the printed repair order.