Airbag control unit with part number 77960-TLA-G220-M4

What does the airbag control unit 77960-TLA-G220-M4 do?

For Honda, the airbag control unit 77960-TLA-G220-M4 coordinates the SRS restraint system. From the signals of the crash sensors, it calculates which airbags and seatbelt pretensioners should trigger in an accident, within milliseconds.

During operation it checks the system continuously. It reports any faults it finds via the airbag warning light in the instrument cluster.

After an accident, the control unit creates crash data and locks itself. The repair is the process that ends this lock.

Why does the control unit 77960-TLA-G220-M4 fail?

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

A normal diagnostic tool cannot remove crash data; Airbag24 handles that during the repair.

Whether any of the other causes apply is clarified by the examination on the test bench.

How can you tell that the 77960-TLA-G220-M4 is defective?

The airbag warning light stays on permanently or comes on intermittently. In addition there is a fault message, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may then not be able to deploy. The warning light should therefore be checked immediately.

Which vehicles is the 77960-TLA-G220-M4 fitted in?

The control unit 77960-TLA-G220-M4 is fitted in these vehicles: Honda CR-V 5 (2018-2023).

The overview of vehicles follows:

• Honda CR-V 5 (2018-2023)

On the one hand, compare the part number on the label with this page; this only confirms the unit. On the other hand, have the fault memory read out beforehand, because only this result shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 5WK43782, 77960-SWA-G212-M4, 77960-SWA-G214-M4, 77960-SWAA-213-M1.

How does the repair of the 77960-TLA-G220-M4 work?

First have the fault memory read out, attach the log and then disconnect the battery. Then remove the control unit 77960-TLA-G220-M4, create a repair order online and send the well-packed unit in. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit, replaces defective parts, deletes the 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-TLA-G220-M4 get to Airbag24?

Either you send the control unit 77960-TLA-G220-M4 in as a parcel, or you book a UPS collection for an extra charge. The unit is returned by UPS after the repair.

The printed repair order is enclosed with the parcel, and the unit is packed shockproof.