Airbag control unit with part number 77960-TM8-D010-M2

What does the airbag control unit 77960-TM8-D010-M2 do?

In a crash, the airbag control unit 77960-TM8-D010-M2 coordinates the airbags and seatbelt pretensioners of the Honda vehicle. It monitors the sensors continuously, initiates triggering within milliseconds as soon as an accident is detected, and reports faults to the airbag warning light. After an accident it stores crash data and locks itself.

The function can only succeed if the control unit checks itself. For this, a constant check of all connected components runs in the background.

Why does the control unit 77960-TM8-D010-M2 fail?

The most common cause is crash data stored in the unit after an accident, even if no airbag has deployed. A normal diagnostic tool is unable to erase it. Further causes include ageing electronics, cold solder joints, wetness and corrosion on contacts, and voltage spikes.

The data remains stored until the repair at Airbag24 removes it.

The other causes at a glance:

• electronic components that weaken over time
• solder joints that have gone cold
• wetness and corrosion at plug connections
• voltage spikes, for example from a weak battery or jump-starting

How can you tell that the 77960-TM8-D010-M2 is defective?

A defect is recognisable from the airbag warning light in the instrument cluster, which lights up intermittently or permanently, and from error messages. In addition there are connection problems with the diagnostic tool, and a fault memory that cannot be emptied. In this state, airbags and seatbelt pretensioners may fail to trigger in an emergency.

Typical signs are:

• airbag warning light on permanently or intermittently
• warning in the instrument cluster reporting a fault
• no contact between diagnostic tool and control unit
• fault memory remains after an attempt to clear it

If you see any of these signs, have the system checked. The light shows the defect without it first having to be discovered during a test.

Which vehicles is the 77960-TM8-D010-M2 fitted in?

The 77960-TM8-D010-M2 is found in this version on Honda: Honda Insight 2nd generation (2009-2014).

The matching vehicle details from our database follow:

• Honda Insight 2nd generation (2009-2014)

Two notes help with matching. You compare the part number on the unit with this page, to secure the right unit. Have the fault memory read out before removal, because only its result clarifies whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-TM8-A01, 77960-TM8-A020-M2, 77960-TM8-A03.

How does the repair of the 77960-TM8-D010-M2 work?

You read out the fault memory, enclose the log, disconnect the battery and remove the control unit; afterwards you create a repair order online and send the unit in. Airbag24 checks the unit, repairs defective components, deletes the crash data and carries out a functional test. Processing usually takes 3–4 working days.

The order of steps is for safety reasons and is binding.

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-TM8-D010-M2 get to Airbag24?

The control unit goes to Airbag24 as a parcel, or you book a UPS collection for an extra charge. The return after the repair follows by UPS.

Include the printed repair order in the parcel and choose shock-proof packaging for the unit.