Airbag control unit with part number P68186642AA

What does the airbag control unit P68186642AA do?

The airbag control unit P68186642AA is the central control unit of the restraint system (SRS) for Jeep. It evaluates the signals from the crash sensors and decides within milliseconds in the event of an accident which airbags and seatbelt pretensioners are triggered.

During operation, the control unit monitors the entire system. It reports faults via the airbag warning light in the instrument cluster, so you will notice a fault even without a diagnostic tool.

After an accident, the control unit stores crash data and locks itself.

Why does the control unit P68186642AA fail?

The most common cause of a fault in the control unit P68186642AA is stored crash data after an accident, even if no airbag was triggered. Other causes include aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage peaks.

Stored crash data remains in the unit after an accident, and a standard diagnostic tool cannot erase it. Airbag24 erases it during the repair.

The other causes develop gradually: electronic components age, solder joints go cold, and moisture or corrosion at plug connections disrupts signal transmission. Voltage peaks, for example from a weak battery or a jump start, can also harm the unit.

How can you tell that the P68186642AA is defective?

A defect in the P68186642AA shows up as the airbag warning light in the instrument cluster lighting up constantly or intermittently, as a fault message in the instrument cluster, as no connection to the diagnostic tool, or as a fault memory that cannot be cleared.

Typical signs at a glance:

• Airbag warning light lights up constantly or intermittently
• Fault message in the instrument cluster
• The diagnostic tool gets no connection to the control unit
• The fault memory cannot be cleared

With such a defect, airbags and seatbelt pretensioners may not trigger in an emergency. For that reason, take the warning seriously and have the condition checked promptly.

Which vehicles is the P68186642AA fitted in?

The airbag control unit P68186642AA is fitted in these vehicles: Jeep Compass MK (2007-2010) and MK Facelift (2011-2016).

The vehicles at a glance:

• Jeep Compass MK (2007-2010)
• Jeep Compass MK Facelift (2011-2016)

Compare the part number on the label of the removed unit with this page so you know for certain that it is the correct unit. Also have the fault memory read out beforehand, because only this result shows whether the control unit itself is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers P68186642AD.

How does the repair of the P68186642AA work?

For the repair of the P68186642AA, first have the fault memory read out and enclose the log, then disconnect the battery and only then remove the control unit. Processing at Airbag24 usually takes 3–4 working days.

Then you create a repair order online and send the unit in, well packed. On the test bench, Airbag24 examines the control unit, replaces defective components, erases stored crash data and runs 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 P68186642AA get to Airbag24?

You send the control unit P68186642AA as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Put the printed repair order into the parcel and pack the unit shock-proof.