Airbag control unit with part number 25962843

What does the airbag control unit 25962843 do?

The airbag control unit 25962843 belongs to the restraint system (SRS) of Chevrolet. From the crash sensors it calculates within milliseconds which airbags and seatbelt pretensioners fire, and it monitors the system constantly. After an accident it stores crash data and locks itself.

The unit indicates faults via the airbag warning light in the instrument cluster.

The crash sensors supply the measured values on which the control unit bases its decision.

Why does the control unit 25962843 fail?

In the 25962843, crash data from an earlier accident is the most common cause, even if no airbag has fired. A normal diagnostic tool cannot erase this data. Further causes include aged electronics, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, for example from jump-starting or a weak battery.

The crash data is a record held in the control unit.

The other causes act over a longer period and show up at contacts or solder joints that give way.

How can you tell that the 25962843 is defective?

A defect in the 25962843 shows itself when the airbag warning light in the instrument cluster stays on permanently or appears from time to time, an error message appears, the diagnostic tool cannot establish a connection, or the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to fire.

The warning light is the most direct indication, and it works regardless of how the vehicle behaves in everyday use.

A diagnostic tool without a connection to the control unit, or a fault memory that cannot be emptied, are reasons to have the system checked.

Which vehicles is the 25962843 fitted in?

The 25962843 is fitted in these vehicles: Chevrolet HHR 1st generation (2006-2011).

The vehicles assigned to this part number are listed below.

• Chevrolet HHR 1st generation (2006-2011)

Compare the part number on the label of your removed unit with this page. This only shows that it is the right unit. Whether the control unit is defective or a plug or cable is behind the fault is shown only by reading out the fault memory, which you arrange before removal.

For the same vehicles, we also repair control units with the part numbers 15839792, 25938061, 5WY79320.

How does the repair of the 25962843 work?

First have the fault memory read out, attach the log, disconnect the battery and remove the control unit 25962843. Then create a repair order online and send in the well-packed unit. Airbag24 checks it on the test bench, replaces defective components, erases the stored crash data and carries out a function test.

Checking, repairing and testing at Airbag24 usually takes 3–4 working days.

The order of the steps serves the safety of the restraint system.

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 25962843 get to Airbag24?

The 25962843 arrives at Airbag24 as a parcel, or via a UPS collection that you book for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

The printed repair order belongs in the parcel. Pack the control unit to withstand shocks so that it is not damaged in transit.