Airbag control unit with part number 77960-SZT-L010-M2

What does the airbag control unit 77960-SZT-L010-M2 do?

The control unit 77960-SZT-L010-M2 is the central control unit for triggering airbags and seatbelt pretensioners in Honda vehicles. It evaluates crash sensors, determines in a crash within milliseconds which airbags and seatbelt pretensioners are triggered, and monitors the system constantly. It reports faults via the airbag warning light.

Monitoring runs without interruption during operation.

After a crash, the control unit records crash data and locks itself.

Why does the control unit 77960-SZT-L010-M2 fail?

Most often, the cause is crash data stored after an accident, even if no airbag has deployed. Other possible causes are aged components, cold solder joints, moisture, corrosion and voltage spikes.

The crash data remains in the memory until Airbag24 erases it during the repair. A normal intervention with the diagnostic tool is not sufficient for this.

The other causes include electronics that age, solder joints that turn cold, and moisture and corrosion.

Voltage spikes arise, for example, from a weak battery or a jump start. Which cause applies in a specific case is only shown by the check in the workshop.

How can you tell that the 77960-SZT-L010-M2 is defective?

A defect shows up as an airbag warning light in the instrument cluster that lights up permanently or intermittently. In addition, there are error messages, the diagnostic tool cannot make contact with the control unit, and the fault memory cannot be cleared.

The individual signs:

• airbag warning light on permanently or intermittently
• error message in the instrument cluster
• diagnostic tool does not connect to the control unit
• fault memory cannot be cleared

In an emergency, airbags and seatbelt pretensioners may then not be triggered.

Which vehicles is the 77960-SZT-L010-M2 fitted in?

The control unit 77960-SZT-L010-M2 from Honda is fitted in these vehicles: Honda CR-Z ZF1 (2010-2016).

The vehicles stored for this part number are listed here:

• Honda CR-Z ZF1 (2010-2016)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the right unit. Also have the fault memory read out before removal. Only this log 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-SZT-A011, 77960-SZT-A011-M2.

How does the repair of the 77960-SZT-L010-M2 work?

Your steps begin with the fault memory, whose log you enclose with the parcel. Then disconnect the battery and only then remove the control unit 77960-SZT-L010-M2. Afterwards, create the repair order online and send the unit off securely packed.

At Airbag24, the team checks the unit on the test bench, repairs or replaces defective components, erases the crash data and runs a function test. Your own unit is then sent back to you.

Processing usually takes 3–4 working days, counted only for checking, repairing and testing at Airbag24.

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-SZT-L010-M2 get to Airbag24?

Either you send the control unit 77960-SZT-L010-M2 as a parcel, or you book a UPS collection for an extra charge. Your own unit goes back by UPS as soon as the repair is complete.

Put the printed repair order into the parcel. Secure the unit shock-proof in its packaging.