P0100 - Airbag control unit, internal electronic fault airbag control unit fault
Control unit repairs for fault code P0100 - Airbag control unit, internal electronic fault in our shop:
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Error “P0100” isn't linked to every vehicle in our database – we can usually repair the airbag control unit anyway. Select your vehicle and we'll show you the matching repair:
What does error code P0100 mean in the airbag control unit?
On Fiat, Peugeot and Citroën, error code P0100 reports an internal electronic fault in the airbag control unit. The control unit has therefore detected a problem in its own electronics and can no longer reliably monitor the restraint system. It stores the fault and switches on the airbag warning light.
The control unit itself is affected, not a single airbag or sensor. On the brands mentioned, the code describes the same fault inside the unit. The control unit otherwise evaluates the signals from the sensors and triggers the airbags and seatbelt pretensioners; this task is then disrupted.
How do you recognise error code P0100?
The airbag warning light stays on, and P0100 is stored in the fault memory. The entry can be read out with a diagnostic tool and returns after being cleared, because the fault remains in the control unit and is detected there again.
The code only becomes visible with a diagnostic tool. If the same entry appears repeatedly, this points to a cause in the control unit and not to a fault in an individual component of the vehicle.
What causes error code P0100?
An internal electronic fault has its cause in the electronics of the control unit, not in wires or sensors. Stored crash data, ageing, moisture and voltage damage are possible reasons.
- Crash data from an accident that is stored in the control unit
- aged electronic components
- solder joints that have developed cracks over time
- moisture and corrosion in the housing
- voltage spikes from a weak battery or a jump start
Only a test on the removed unit shows which point applies in a given case.
In which vehicles does error code P0100 occur?
Error code P0100 is known on the Fiat Ducato 250, the Peugeot Boxer II and Boxer III, and the Citroën Jumper II and Jumper III. The list is not complete, and on other vehicles the meaning may differ. This also applies to other brands.
These are van models from several brands on which the same message occurs. On another vehicle, the same entry may have a different cause, so the readout on your own vehicle is what counts.
How is error code P0100 resolved?
Error code P0100 is resolved by testing and repairing the airbag control unit. To do this, first have the fault memory read out and then send the removed control unit to Airbag24, where it is tested, repaired and checked on the test bench.
Have the fault memory read out with a diagnostic tool. If the internal fault is confirmed, disconnect the battery and remove the control unit. Create a repair order online and send the unit to Airbag24. Checking, repairing and testing usually take 3–4 working days. Work on the airbag system belongs in expert hands.
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.
Shipping & repair from Germany
Airbag24 repairs your component in Berlin — usually within 3–4 working days.
Standard shipping within Germany is free; we normally return your part by UPS.
You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.
If you withdraw from the contract, you bear the cost of returning the item.
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What our customers say
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Luke Dukelast week„Top“
Konstantin Wuckertlast week„Top!“
mirko leistner3 weeks ago„Ok.“
Zsolt Szabólast month„The repair of the AIRBAG control unit was carried out quickly“
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schmidt uwe3 days ago„Very fast competent reliable Also cheaper than competitors! Consultation via Mail quick extremely competent and reliable“
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RM S3 days ago„I registered my airbag control unit online, got a repair order, sent in the device and after 2 days got a response, device ready. Top.. I would have just wished for a note about the defect of the device. For example cold…“
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Edmund Schell3 days ago„Top service, fast repair and friendly and helpful on the phone! Absolutely recommended!“
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ano nym4 days ago„Airbag24 is a very well organized company. The shipping procedure is correct and reliable. The quick repair right after receipt, the clear payment after repair, the UPS shipping right away. I am very satisfied with the r…“
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Mais Maislast week„⭐⭐⭐⭐⭐ I am absolutely thrilled and very satisfied with the service from Airbag24! The processing went smoothly and the delivery was incredibly fast. Everything worked perfectly. I can recommend Airbag24 without reservati…“
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Artur W.last week„Sent in a defective airbag control unit for my Ducato. After a few days the info that unfortunately it's unrepairable, but right away an offer for a replacement unit. Agreed and received a few days later. Installed and n…“
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Gunther Freymuthlast week„Super satisfied, top quality and shipping mega fast. Installation child's play, happy to order again anytime“
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Benjamin Hinrichslast week„Top!!“
Luke Dukelast week
