Airbag control unit with part number 77960-T7S-A230-M2

What does the airbag control unit 77960-T7S-A230-M2 do?

At Honda, the airbag control unit 77960-T7S-A230-M2 forms the control centre of the restraint system (SRS). It reads the crash sensors and, in an accident, decides within a fraction of a second which airbags and seatbelt pretensioners fire.

During normal operation, it monitors the entire system without interruption. If it detects a fault, the airbag warning light in the instrument cluster lights up. After an accident, it records the crash data and remains locked afterwards.

Why does the control unit 77960-T7S-A230-M2 fail?

With the 77960-T7S-A230-M2, the most common cause is crash data stored after an accident, even if no airbag was triggered. Aged components, cold solder joints, moisture with corrosion on the plugs, and voltage spikes also play a role.

The usual diagnostic tool cannot empty this memory. Airbag24 takes care of the erasure as part of the repair. Voltage spikes arise, for example, from a weak battery or when a jump-start cable is connected.

How can you tell that the 77960-T7S-A230-M2 is defective?

With the 77960-T7S-A230-M2, a defect shows up as the airbag warning light, which stays on permanently or intermittently, as a fault message in the instrument cluster, as a diagnostic tool without a connection and as a fault memory that cannot be cleared.

If these signs appear, airbags and seatbelt pretensioners may not deploy in an emergency. Then do not have the unit removed before the fault memory has been read out.

• Airbag warning light stays on permanently
• Airbag warning light only comes on intermittently
• Fault message in the instrument cluster
• no connection to the diagnostic tool
• fault memory cannot be cleared

Which vehicles is the 77960-T7S-A230-M2 fitted in?

This control unit, part number 77960-T7S-A230-M2, is fitted in these vehicles: Honda HR-V 2nd generation (2015-2022).

The assigned models are listed below.

• Honda HR-V 2nd generation (2015-2022)

Check the number on the label of the removed unit, and you will know it is the right unit. Have the fault memory read out in advance. Only this result shows whether the control unit itself is defective or whether a plug or a cable is causing the problem.

For the same vehicles, we also repair control units with the part numbers 77960-3V0-A81, 77960-T7S-A21, 77960-T7S-A212-M2, 77960T7SK410M2.

How does the repair of the 77960-T7S-A230-M2 work?

First have the fault memory read out and enclose the log with the unit. Then disconnect the battery, remove the control unit, create a repair order online and send the unit in well packed.

Airbag24 then checks the unit on the test bench, replaces defective components, deletes the stored crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days. Afterwards, your own unit goes back.

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-T7S-A230-M2 get to Airbag24?

You send the control unit 77960-T7S-A230-M2 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you via UPS.

Put the printed repair order into the parcel and pack the unit shockproof.