Airbag control unit with part number 77960-SMR-F011-M1

What does the airbag control unit 77960-SMR-F011-M1 do?

The airbag control unit 77960-SMR-F011-M1 controls the restraint system (SRS) on Honda. It analyses signals from the crash sensors, decides in an accident about the triggering of airbags and seatbelt pretensioners, and monitors the system continuously. It indicates faults via the airbag warning light.

After an accident it stores crash data and then locks itself.

Why does the control unit 77960-SMR-F011-M1 fail?

The most common cause is crash data that stays in the memory after an accident, even if no airbag was triggered. A normal diagnostic tool cannot erase it. Other causes are aged components, cold solder joints, moisture and corrosion, and voltage spikes.

The other causes in detail:

• Aged electronic components
• Cold solder joints
• Moisture and corrosion at plug connectors
• Voltage spikes, for example from a weak battery or a jump-start

How can you tell that the 77960-SMR-F011-M1 is defective?

The airbag warning light in the instrument cluster lights continuously or intermittently, and a fault message appears there. The diagnostic tool finds no connection to the control unit, and the fault memory cannot be cleared. Airbags and seatbelt pretensioners may then fail to deploy in an emergency.

The warning light reports the defect itself, so you should look into it promptly.

Which vehicles is the 77960-SMR-F011-M1 fitted in?

Check the list to see whether your car is affected. The 77960-SMR-F011-M1 control unit of Honda is fitted in these vehicles: Honda Civic 8th generation (2005-2011).

The vehicles in detail:

• Honda Civic 8th generation (2005-2011)

On the one hand, compare the part number on the label of the removed unit with this page so that you have the right unit. On the other hand, have the fault memory read out beforehand. Only that result shows whether the control unit is defective or a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-SMG-G014-M1, 77960-SMG-G021-M1, 77960-SMG-G120-M1, 77960-SNA-L220-M1, 77960-SNA-L230-M1, 77960-SNA-M410-M1.

How does the repair of the 77960-SMR-F011-M1 work?

First have the fault memory read out and attach the log, before disconnecting the battery and removing the control unit. Afterwards create a repair order online and send in the unit. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. Your own unit is then returned to you.

This time applies only to checking, repairing and testing 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-SMR-F011-M1 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. Airbag24 sends it back to you by UPS after the repair.

Print the repair order and place it in the parcel; pack the unit shock-resistantly.