Airbag control unit with part number 985100336R

What does the airbag control unit 985100336R do?

The airbag control unit 985100336R is the central control unit of the restraint system (SRS) for Dacia. It evaluates the signals from the crash sensors, determines within milliseconds in an emergency which airbags and seatbelt pretensioners trigger, and monitors the system continuously.

The control unit reports faults in the system via the airbag warning light in the instrument cluster. After an accident it stores crash data and locks itself.

So that the restraint system is always ready, the unit works together with all connected components, from the sensors through to the seatbelt pretensioners. Every triggering is based on an evaluation of the measured values, which takes place in fractions of a second.

Why does the control unit 985100336R fail?

For the control unit 985100336R, the most common cause after an accident is stored crash data, even if no airbag has triggered. Further causes are 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. Airbag24 erases it during the repair.

Aged components, cold solder joints, and moisture and corrosion at plug connections disturb the electronics in different ways.

Voltage spikes, for example from a weak battery or a jump start, additionally stress the unit.

How can you tell that the 985100336R is defective?

The airbag warning light in the instrument cluster indicates a defect in the control unit 985100336R by lighting up permanently or intermittently. Add to this an error message in the instrument cluster, no connection between the diagnostic tool and the control unit, and a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not trigger.

Permanent or intermittent lighting is the most important signal, and you should take it seriously.

If the connection to the diagnostic tool also fails and the fault memory cannot be cleared, this may likewise point to the control unit. Ignoring a warning is risky.

Which vehicles is the 985100336R fitted in?

The control unit 985100336R is fitted in these vehicles: Dacia Dokker I (2012-2021).

The assignment is listed below:

• Dacia Dokker I (2012-2021)

Compare the part number on the label of the removed unit with this page. That only ensures that you have the right unit in front of you. Also have the fault memory read out beforehand, because 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 985103219R, 985103258R, 985105129R, 985105409R, 985109184R, 985109354R.

How does the repair of the 985100336R work?

First have the fault memory read out and attach the log. Then disconnect the battery and only then remove the control unit 985100336R. Next create a repair order online and send in the packed unit. Processing at Airbag24 usually takes 3–4 working days.

The sequence serves safety, so it is binding.

At Airbag24 the team checks the unit on the test bench, replaces defective components, erases stored crash data and carries out 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 985100336R get to Airbag24?

You send the control unit 985100336R as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 returns it by UPS.

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