Airbag control unit with part number 77960-SNB-Y615-M1

What does the airbag control unit 77960-SNB-Y615-M1 do?

The airbag control unit 77960-SNB-Y615-M1 is the central control unit of the restraint system (SRS) for Honda. It evaluates the signals from the crash sensors and decides in an accident within milliseconds which airbags and seatbelt pretensioners are triggered.

In addition, the unit carries out continuous self-monitoring. If it detects a fault, the airbag warning light comes on. If it has stored crash data after an accident, it locks itself.

Why does the control unit 77960-SNB-Y615-M1 fail?

The most common cause is crash data that has remained in the memory after an accident, even if no airbag was triggered. Also involved are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump start.

Stored crash data cannot be erased with a normal diagnostic tool. As long as it is present, the fault remains in the control unit.

The other causes are of a more general nature. Components age, solder joints can go cold, and moisture or corrosion attack the contacts. Voltage spikes arise, for example, when starting with jump leads or when the battery is weakened.

How can you tell that the 77960-SNB-Y615-M1 is defective?

The airbag warning light in the instrument cluster indicates the defect when it lights up permanently or intermittently. It is accompanied by a fault message in the instrument cluster, a missing connection to the diagnostic tool and a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to trigger.

The warning light is the most direct warning from the system. It shows the defect, so it is advisable not to ignore it.

A diagnostic tool that cannot establish a connection also indicates a problem in the system. A check is then appropriate.

Which vehicles is the 77960-SNB-Y615-M1 fitted in?

The airbag control unit 77960-SNB-Y615-M1 is fitted in this vehicle: Honda Civic 8th generation (2005-2011).

The list below names the vehicles to which this unit is assigned.

• Honda Civic 8th generation (2005-2011)

(a) Comparing the part number on the label of the removed unit with this page only confirms that you have the right unit. (b) Having the fault memory read out beforehand shows whether the control unit itself 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-S02-A840-M3, 77960-SMG-G014-M1.

How does the repair of the 77960-SNB-Y615-M1 work?

First have the fault memory read out and enclose the protocol. Then disconnect the battery and only afterwards remove the control unit 77960-SNB-Y615-M1. Create the repair order online, then send in the unit well packed.

At Airbag24 the unit is checked on the test bench, faulty components are replaced and stored crash data is erased, followed by a function test. Processing usually takes 3–4 working days. The unit is then 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-SNB-Y615-M1 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns the control unit 77960-SNB-Y615-M1 to you by UPS.

Enclose the printed repair order with the parcel and pack the unit shock-proof.