Airbag control unit with part number 68526674AA

What does the airbag control unit 68526674AA do?

The airbag control unit 68526674AA coordinates the restraint system (SRS) for Jeep. It processes the readings from the crash sensors, decides within milliseconds in the event of an impact whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident, it stores crash data and locks itself.

The electronics check sensors, cables and connectors. If they detect a fault, they create an entry in the memory and display it via the airbag warning light.

In a crash, the unit follows fixed procedures with no room for corrections. A failure therefore affects the entire protection concept.

Why does the control unit 68526674AA fail?

Most often the cause is crash data stored after an accident, even if no airbag was triggered; a normal diagnostic tool cannot remove it. Other causes are aged electronic components, cold solder joints, moisture and corrosion, and voltage spikes.

• Crash data from an accident, even without a triggered airbag
• Aged electronic components
• Cold solder joints
• Moisture and corrosion at plug connections
• Voltage spikes from a weak battery or jump-starting

The crash data remains in the unit until it is removed during repair.

How can you tell that the 68526674AA is defective?

A defect in the 68526674AA shows up through the airbag warning light, which stays on permanently or intermittently, through an error message in the instrument cluster, and through the lack of a connection to the diagnostic tool.

These signs are clear as soon as they appear:

• Airbag warning light, permanently or intermittently
• Error message in the instrument cluster
• No connection to the diagnostic tool
• Fault memory cannot be cleared

If these signs occur, act promptly, because in an emergency the airbags and seatbelt pretensioners may fail to deploy.

Which vehicles is the 68526674AA fitted in?

The 68526674AA is fitted in these vehicles: Jeep Wrangler JL (from 2018).

The assigned vehicles are listed below.

• Jeep Wrangler JL (from 2018)

Compare the part number on the label of the removed unit with this page. This only ensures that it is the correct unit. Also have the fault memory read out beforehand, because only this log 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 68398609AB, P68003421AB.

How does the repair of the 68526674AA work?

Have the fault memory read out, enclose the log and disconnect the battery. Only then remove the control unit, create a repair order online and send it in well packed. At Airbag24, checking, repairing and testing usually takes 3–4 working days.

This sequence is mandatory for safety reasons. Please keep to it.

Airbag24 checks the unit on the test bench, replaces defective components, erases the crash data and carries out a function test. Your unit is then returned to you. This time applies only to the work carried out at Airbag24. 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 68526674AA get to Airbag24?

You send the control unit 68526674AA in as a parcel or book a UPS collection for an extra charge. After repair, Airbag24 sends it back to you by UPS.

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