Airbag control unit with part number 77960-T5A-Q811-M1

What does the airbag control unit 77960-T5A-Q811-M1 do?

The airbag control unit 77960-T5A-Q811-M1 controls the restraint system (SRS) for vehicles of the brand Honda. It evaluates the signals from the crash sensors, decides in an emergency within fractions of a second on airbags and seatbelt pretensioners, and monitors the system without interruption.

Faults found are stored by the unit in the fault memory and shown via the airbag warning light in the instrument cluster. After an accident it stores crash data and locks itself. Only the repair lifts this lock.

Why does the control unit 77960-T5A-Q811-M1 fail?

The most common cause: crash data stored after an accident, even if no airbag has deployed. Added to this are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or jump-starting.

Crash data cannot be erased with a normal diagnostic tool. Airbag24 erases it during the repair.

The other causes develop gradually. Electronic components age, solder joints can go cold, and moisture attacks plug connections.

How can you tell that the 77960-T5A-Q811-M1 is defective?

A defect on the 77960-T5A-Q811-M1 shows up as the airbag warning light, fault messages in the instrument cluster, a lack of connection to the diagnostic tool and a fault memory that cannot be cleared. Airbags and seatbelt pretensioners may then fail to deploy in an emergency.

• The airbag warning light in the instrument cluster is lit permanently or intermittently.
• A fault message appears in the instrument cluster.
• The diagnostic tool receives no connection to the control unit.
• The fault memory cannot be cleared.

The warning light shows the fault as soon as it occurs. Take this indication seriously and have the system checked.

Which vehicles is the 77960-T5A-Q811-M1 fitted in?

The control unit 77960-T5A-Q811-M1 is fitted in these vehicles: Honda Jazz GK (2013-2023).

The following list shows the vehicles we have on record for this part number.

• Honda Jazz GK (2013-2023)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the correct unit.

Have the fault memory read out beforehand. Only this result shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 77960-SAA-F911-M1, 77960-SAA-G821-M1.

How does the repair of the 77960-T5A-Q811-M1 work?

First you read out the fault memory and enclose the log. Then you disconnect the battery and only then remove the control unit. Next you create a repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 tests the unit on the test bench and replaces defective components. Stored crash data is erased, and a function test follows. 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-T5A-Q811-M1 get to Airbag24?

You send the control unit 77960-T5A-Q811-M1 as a parcel or book a UPS collection for an extra charge. Returns after the repair are made by UPS.

Put the printed repair order into the parcel and pack the unit shockproof.