Airbag control unit with part number 77960-SJC-X030-M1

What does the airbag control unit 77960-SJC-X030-M1 do?

The airbag control unit 77960-SJC-X030-M1 is the central SRS control unit for Honda. It evaluates the crash sensors, decides within milliseconds in an accident whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

The unit works in the background and reports faults to the airbag warning light in the instrument cluster. At the same time, the faults are stored in the fault memory.

After an accident, the control unit stores crash data and locks itself. What this means for the repair is explained in the sections below.

Why does the control unit 77960-SJC-X030-M1 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. A standard diagnostic tool cannot erase this data.

This data remains in the unit even when the vehicle seems inconspicuous afterwards. The fault then cannot be resolved with conventional means, which is why it is easily blamed on other components.

Other causes include ageing electronic components, soldered joints, moisture and corrosion at plug connections, and voltage spikes. A weak battery or a jump start can place additional strain on the unit.

How can you tell that the 77960-SJC-X030-M1 is defective?

A defect shows up as an airbag warning light that stays on permanently or intermittently, as a fault message in the instrument cluster, or as a diagnostic tool without a connection. A fault memory that cannot be cleared confirms the suspicion.

The light in the instrument cluster can be the first visible sign. Whether it stays on permanently or only lights up intermittently makes little difference to the assessment, because both mean that the function is disturbed.

Airbags and seatbelt pretensioners may not be able to deploy in an emergency while the fault persists. Please have the finding checked in good time.

Which vehicles is the 77960-SJC-X030-M1 fitted in?

The control unit 77960-SJC-X030-M1 is fitted in these vehicles: Honda Ridgeline 1st generation (2005-2014).

The following list shows the models in which this part number is documented.

• Honda Ridgeline 1st generation (2005-2014)

Have the fault memory read out before removal. Only then is it clear whether the control unit is really defective or whether a plug or a cable is the cause. Afterwards, compare the part number on the label with the information given here.

For the same vehicles, we also repair control units with the part numbers 77960-T6Z-A01, 77960-T6Z-A02, 77960-T6Z-A03, 77960SJCA210M1, 77960T6ZA030M2.

How does the repair of the 77960-SJC-X030-M1 work?

First read out the fault memory and enclose the log. Then disconnect the battery, remove the control unit and create a repair order online before you send it in.

Pack the unit well so that it arrives at Airbag24 undamaged. Processing usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. Your own 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-SJC-X030-M1 get to Airbag24?

You send the control unit 77960-SJC-X030-M1 in as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Place the printed repair order in the parcel and pack the unit shockproof.