Airbag control unit with part number 77960-SFY-J012-M1

What does the airbag control unit 77960-SFY-J012-M1 do?

The airbag control unit 77960-SFY-J012-M1 is the central control unit of the restraint system (SRS) for Honda. It processes the measured values from the crash sensors, decides in a crash within fractions of a second which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. It reports faults via the airbag warning light.

After a crash it stores crash data and locks itself.

The evaluation runs in the background; you notice nothing of it while driving as long as everything is in order.

Why does the control unit 77960-SFY-J012-M1 fail?

The most common cause is crash data stored after an accident, even without a triggered airbag. Aged components, faulty solder joints, moisture at plug connectors and voltage spikes are also possible.

The other causes in detail:

• Aged electronic components in the control unit
• Faulty solder joints on the circuit board
• Moisture and corrosion at plug connectors
• Voltage spikes, for example from a weak battery or jump-starting

Which of these causes applies to your unit is shown only by the read-out fault memory. The crash data remains in the unit until the repair removes it.

How can you tell that the 77960-SFY-J012-M1 is defective?

A defect shows as the airbag warning light in the instrument cluster staying on permanently or intermittently. In addition, an error message in the instrument cluster, a lack of connection to the diagnostic tool or a fault memory that cannot be cleared may occur.

The warning light shows the finding as soon as the control unit detects it, and that is exactly its purpose. If the finding persists, airbags and seatbelt pretensioners may not trigger in an emergency.

So follow up on such signs promptly instead of postponing them.

Which vehicles is the 77960-SFY-J012-M1 fitted in?

Control unit 77960-SFY-J012-M1 is fitted in these vehicles: Honda Inspire 4th generation (2003-2007).

This overview lists the vehicles that are on record for this part number.

• Honda Inspire 4th generation (2003-2007)

First compare the part number on the label of the removed unit with this page. That only ensures that it is the right unit. Also have the fault memory read out before you change anything on the vehicle, because only this shows whether the control unit is defective or whether a plug or cable is the cause.

How does the repair of the 77960-SFY-J012-M1 work?

First have the fault memory read out and attach the log, then disconnect the battery. Only then remove the control unit. Afterwards create a repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. Airbag24 works only on these points.

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-SFY-J012-M1 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 sends it back via UPS.

Put the printed repair order into the parcel and pack the unit shockproof. Make sure no loose items rattle around the housing inside the box.