Airbag control unit with part number 77960-TK8-X011-M1

What does the airbag control unit 77960-TK8-X011-M1 do?

The airbag control unit 77960-TK8-X011-M1 is the control centre of the restraint system (SRS) in Honda. It processes the signals from the crash sensors and decides in an accident, within milliseconds, whether airbags and seatbelt pretensioners are triggered. After an accident, it stores crash data and locks itself.

The unit reports faults via the airbag warning light in the instrument cluster. Monitoring runs without pause.

The crash sensors deliver measured values to the control unit, which evaluates them continuously.

Why does the control unit 77960-TK8-X011-M1 fail?

The most common cause is crash data stored after an accident, even if no airbag has triggered. A normal diagnostic tool cannot erase this data; other causes include aging components, solder joints, moisture and voltage spikes.

An impact without a triggered airbag can also leave crash data behind.

The other causes build up over time and are rarely clear-cut from the outside.

How can you tell that the 77960-TK8-X011-M1 is defective?

The airbag warning light lights up permanently or intermittently, and a fault message appears in the instrument cluster. If there is no connection to the control unit or the fault memory cannot be erased, this points to a defect.

You can recognise this from the following typical signs:

• airbag warning light in the instrument cluster, permanently or intermittently
• fault message in the instrument cluster
• no connection to the control unit
• fault memory cannot be erased

In an emergency, airbags and seatbelt pretensioners may then not trigger.

Which vehicles is the 77960-TK8-X011-M1 fitted in?

The airbag control unit 77960-TK8-X011-M1 is fitted in these vehicles: Honda Odyssey 4th generation (2008-2013) and 5th generation (from 2013). The list is for orientation; the unit itself is the next step for the clear assignment.

The part number on the unit is decisive, not the vehicle type alone.

The vehicles at a glance:

• Honda Odyssey 4th generation (2008-2013)
• Honda Odyssey 5th generation (from 2013)

On the one hand, you compare the part number on the label of the removed unit with this page; this ensures only that it is the correct unit. On the other hand, you have the fault memory read out beforehand, because only this 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-SHJ-A013-M1, 77960-SHJA020M1, 77960-SHJC-012-M1, 77960-THR-A02, 77960-THR-A03, 77960-TK8-A011-M1.

How does the repair of the 77960-TK8-X011-M1 work?

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

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

Processing at Airbag24 usually takes 3–4 working days, and this period applies only to checking, repairing and testing there.

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-TK8-X011-M1 get to Airbag24?

You send the unit 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.