Airbag control unit with part number 68303636AA

What does the airbag control unit 68303636AA do?

The airbag control unit 68303636AA controls the restraint system (SRS) of Dodge. It reads the signals from the crash sensors, decides within fractions of a second whether airbags and seatbelt pretensioners are triggered in a crash, and checks the system permanently during operation.

During normal operation, the unit monitors all connected components. If it detects a fault, it reports it via the airbag warning light in the instrument cluster.

After a crash, the control unit stores crash data and locks itself. The further sections explain what this means for a repair.

Why does the control unit 68303636AA fail?

The most common cause is crash data stored after a crash, even if no airbag has triggered. In addition come aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data cannot be erased with a normal diagnostic tool. The other causes mainly affect the electronics and their connections.

The other causes at a glance:

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example with a weak battery or a jump start

How can you tell that the 68303636AA is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and a fault message appears in the instrument cluster. The diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not trigger.

The warning light is the most important warning signal of the system. After switching on the ignition, the vehicle carries out a self-test in which the light comes on briefly and goes out again. If it stays on afterwards, a check is advisable.

Reading out the fault memory then shows which message the control unit has stored.

Which vehicles is the 68303636AA fitted in?

The control unit 68303636AA is fitted in these vehicles: Dodge Ram DS/DJ/D2 (2009-2018).

The following vehicles are known to us for this part number:

• Dodge Ram DS/DJ/D2 (2009-2018)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the right unit. Also have the fault memory read out in advance. Only the 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 0285015046, 56043128AC, 56043128AD, 68303217AA, 68303218AA, 68346712AA.

How does the repair of the 68303636AA work?

First have the fault memory read out and enclose the readout log with the unit. Then disconnect the battery and only then remove the control unit; afterwards, create a repair order online and send in the well-packed unit. Airbag24 checks it on the test bench, replaces defective components, erases stored crash data and carries out a function test; processing usually takes 3–4 working days.

The sequence is prescribed for safety reasons. The control unit must not be removed while the battery is still connected.

At Airbag24, the unit is first examined on the test bench. Defective components are replaced, followed by the function test. After processing, 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 68303636AA get to Airbag24?

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

Place the printed repair order in the parcel and pack the control unit shock-proof.