Airbag control unit with part number 8646434
Control unit repairs for part number 8646434 in our shop:
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Part number “8646434” isn't linked to every vehicle in our database – we can usually repair it anyway. Select your vehicle and we'll show you the matching repair:
What does the airbag control unit 8646434 do?
The airbag control unit 8646434 coordinates the restraint system (SRS) in the Volvo vehicle. It evaluates the crash sensors, decides on airbags and seatbelt pretensioners within milliseconds in a crash, and monitors the system permanently.
The unit additionally bears the manufacturer number Bosch 0285001254 on its housing. It reports faults via the airbag warning light, and after an accident it stores crash data and locks itself.
Why does the control unit 8646434 fail?
The most common cause is crash data stored after an accident, even without a triggered airbag. Other causes include ageing components, cold solder joints, moisture and corrosion at plug connections, and voltage peaks.
Crash data cannot be erased with a standard diagnostic tool. Ageing electronics and faulty solder joints cause faults to occur intermittently.
Moisture and corrosion at the plug connections impair the contact. Voltage peaks, for example from a weak battery or jump-starting, put additional strain on the electronics.
How can you tell that the 8646434 is defective?
A defect shows up mainly at the airbag warning light. If it is permanently or intermittently lit, airbags and seatbelt pretensioners may not trigger in an emergency.
These signs indicate a defect:
- airbag warning light that lights up permanently or intermittently
- fault message in the instrument cluster
- no connection to the diagnostic tool
- fault memory that cannot be cleared
The warning light reports the defect as soon as the system detects it. Do not ignore this indication.
Which vehicles is the 8646434 fitted in?
The 8646434 is fitted in these vehicles: Volvo S60 P24 (2000-2009).
The vehicles for this part number are listed here:
- Volvo S60 P24 (2000-2009)
Compare the part number on the label of the removed unit with this page. This only confirms that you have the right unit. Whether the control unit is defective or a plug or cable is the cause will only be shown by the fault memory, which you should have read out beforehand.
How does the repair of the 8646434 work?
First have the fault memory read out and enclose the log with the unit. Then disconnect the battery, and only then remove the unit. Afterwards, create a repair order online and pack the unit well.
Airbag24 checks the control unit 8646434, replaces defective components and erases the crash data. After the functional test, the unit is sent back to you.
Processing at Airbag24 usually takes 3–4 working days. This period covers checking, repairing and testing only.
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 8646434 get to Airbag24?
You dispatch the parcel containing the control unit 8646434 yourself, or you book a UPS collection for an extra charge. The return to you after the repair is made by UPS.
Pack the unit shockproof and enclose the printed repair order.
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
„Ok.“
Zsolt Szabó6 days ago„Works like a charm!“
Leoly4 weeks ago„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“
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Tokeh Tokeh4 days ago„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“
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Sven Wegener6 days ago„Problem solved :-)“
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Fa D'A6 days ago„Everything went well“
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Mehdi Fattahi6 days ago„Everything works great“
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Wolfgang Katenzlast week„Ultra satisfied with this company. My computer was repaired quickly and works perfectly again! Communication is exemplary (emails, SMS...). Very serious company, thank you!“
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Sophie Hoguetlast week„Uncomplicated, fast, correct.“
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Karl-Josef Backeslast week„Airbag control unit sent: the handling of it was immediate and very serious. The returned control unit was fitted without any problem and works perfectly. Very satisfied!“
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Jean Philippe Amourouxlast week„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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Christian Maegerleinlast week„From the first phone call, the order processing, to the shipping, everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can f…“
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Gerd Goldammer2 weeks ago„Ok.“
Zsolt Szabó6 days ago
