Airbag control unit with part number 77960-SJA-E113-M2

What does the airbag control unit 77960-SJA-E113-M2 do?

The airbag control unit 77960-SJA-E113-M2 controls the restraint system (SRS) for Honda. It evaluates the signals from the crash sensors and decides within milliseconds in an accident which airbags and seatbelt pretensioners are triggered.

It monitors the system constantly and indicates faults via the airbag warning light. After an accident, it stores crash data and locks itself.

Why does the control unit 77960-SJA-E113-M2 fail?

Stored crash data is the most common cause on the 77960-SJA-E113-M2, even if no airbag has deployed. Further causes include ageing electronic components, cold solder joints, moisture and corrosion on plugs, and voltage spikes from a weak battery or a jump start.

Standard diagnostic tools cannot erase crash data. Airbag24 erases it in the course of the repair.

How can you tell that the 77960-SJA-E113-M2 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently, and a fault message appears. The diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared.

In an emergency, the airbags and seatbelt pretensioners may then fail to deploy. The light shows the fault, which is why the check should be carried out promptly.

Which vehicles is the 77960-SJA-E113-M2 fitted in?

The 77960-SJA-E113-M2 is fitted in these vehicles: Honda Legend 4th generation (2004-2012).

The following list is stored for this part number:

• Honda Legend 4th generation (2004-2012)

Compare the part number on the label of the removed unit with this page, so that you know it is the correct unit. Have the fault memory read out beforehand, because only this result clarifies 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-S3V-C11, 77960-SJV-A94, 77960-SWV-A94.

How does the repair of the 77960-SJA-E113-M2 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and remove the 77960-SJA-E113-M2. Next, create a repair order online and send the unit in well packed.

Airbag24 checks the unit on the test bench, replaces defective components, erases the crash data and carries out a function test. The unit then comes back to you.

Processing at Airbag24 usually takes 3–4 working days. This time applies exclusively to the work 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-SJA-E113-M2 get to Airbag24?

You send the control unit 77960-SJA-E113-M2 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you by UPS.

Enclose the printed repair order in the parcel, and pack the control unit so that it is shock-resistant.