Airbag control unit with part number 77960-SDA-C132-M1

What does the airbag control unit 77960-SDA-C132-M1 do?

The airbag control unit 77960-SDA-C132-M1 controls the restraint system (SRS) of Honda. It evaluates the crash sensors, decides within milliseconds in a crash whether the airbags and seatbelt pretensioners are triggered, and monitors everything continuously.

If the unit detects a fault, it reports this via the airbag warning light in the instrument cluster.

After a crash, it stores crash data and locks itself. Only the repair lifts the lock.

Why does the control unit 77960-SDA-C132-M1 fail?

Stored crash data from an accident is the most common cause, even if no airbag was triggered, and a normal diagnostic tool cannot erase it. Other causes are aged electronics, cold solder joints, moisture and corrosion at plug connectors, and voltage peaks, for example with a weak battery or a jump start.

Crash data remains stored until Airbag24 removes it during the repair. Until then the entry stays in the fault memory, even when it is read out.

Aged electronics, cold solder joints and moisture on the contacts occur in everyday use. Voltage peaks affect the circuit when the battery is weak.

How can you tell that the 77960-SDA-C132-M1 is defective?

You can recognise a defect by the airbag warning light in the instrument cluster, when it lights up permanently or intermittently. Further signs are a fault message in the instrument cluster, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

In an emergency, the airbags and seatbelt pretensioners may then fail to trigger.

The warning light indicates the defect, so have the fault memory read out promptly.

Which vehicles is the 77960-SDA-C132-M1 fitted in?

The airbag control unit 77960-SDA-C132-M1 is fitted in these vehicles: Honda Accord 7th generation (2002-2008).

These vehicles are on record:

• Honda Accord 7th generation (2002-2008)

Compare the part number on the label of the removed unit with this page, as this only confirms that you have the correct unit. Also have the fault memory read out before removal, because only this result shows whether the control unit is defective or whether plugs and cables are the cause.

For the same vehicles, we also repair control units with the part numbers 77960-SDA-306, 77960-SDN-C211-M1, 77960-SDR-A021-M4.

How does the repair of the 77960-SDA-C132-M1 work?

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

At Airbag24 the unit is checked on the test bench, defective components are replaced and the crash data is erased. A function test follows. Processing usually takes 3–4 working days.

Afterwards your own unit is 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-SDA-C132-M1 get to Airbag24?

You send the unit as a parcel, or you book a UPS collection for an extra charge. After the repair Airbag24 returns it by UPS.

You place the printed repair order in the parcel and pack the unit shock-resistant.