Airbag control unit with part number 77960-SLE-J622-M3

What does the airbag control unit 77960-SLE-J622-M3 do?

The airbag control unit 77960-SLE-J622-M3 is the central control unit of the restraint system (SRS) of Honda. It evaluates the signals from the crash sensors, decides in an accident which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident it stores crash data and locks itself.

The decision is made within milliseconds, so the control unit can act immediately. It reports faults via the airbag warning light in the instrument cluster.

If the unit fails, you also lose the certainty that the restraint systems will work correctly in an emergency.

Why does the control unit 77960-SLE-J622-M3 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

The crash data remains in the unit after the accident, and a normal diagnostic tool does not erase it. As a result, the system keeps reporting the incident even though the airbags did not deploy.

Electronic components age, solder joints can go cold, and moisture or corrosion weaken the contact at the plug connections. Voltage spikes, for example from a weak battery or a jump start, can additionally strain the electronics.

How can you tell that the 77960-SLE-J622-M3 is defective?

A defect shows up as the airbag warning light, as fault messages in the instrument cluster and as a fault memory that cannot be cleared. Then airbags and seatbelt pretensioners may fail to deploy in an emergency.

The airbag warning light in the instrument cluster comes on permanently or intermittently, and a fault message can appear as well. A diagnostic tool does not connect to the control unit, and the fault memory cannot be cleared. As long as the light is on, the system must not be regarded as working properly.

Which vehicles is the 77960-SLE-J622-M3 fitted in?

The control unit 77960-SLE-J622-M3 is fitted in these vehicles: Honda Odyssey 4th generation (2008-2013).

These vehicles are assigned to the part number:

• Honda Odyssey 4th generation (2008-2013)

Comparing the part number on the label of the removed unit with this page only confirms that it is the right unit. Have the fault memory read out beforehand, because only that shows whether the control unit is defective or whether a plug or a 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-TK8-A011-M1.

How does the repair of the 77960-SLE-J622-M3 work?

First have the fault memory read out and attach the log. Then disconnect the battery and only afterwards remove the control unit. Next create a repair order online and send the unit in well packed. Airbag24 normally needs 3–4 working days for testing, repair and function test.

Airbag24 checks the control unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. 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-SLE-J622-M3 get to Airbag24?

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

Enclose the printed repair order in the parcel and pack the control unit so that it withstands impacts.