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Audi A3 8P airbag control unit repair
8P0 959 655 L · Label
- Label
- Connector
- Back
- 8P0 959 655 L
- 8P0959655N
- 8P0959655P
Audi A3 8P airbag control unit repair at Airbag24
Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.
Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.
Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.
Notes
Mounting position
Repair type
Which repair matches your fault code?incl. VAT plus shipping
Not sure? Just send us an enquiry or give us a call — we're happy to advise you.
4.8Google reviews of our shop(246)
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Matching part numbers
Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Repair time
Our estimated repair time for this product is about: 3–4 business days
Which repair matches your fault code?
Below your code you can see what needs to be done.
Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Specifications
- Make
- Audi
- Model
- Audi A3
- Series
- 8P (2003-2005)8P Facelift (2005-2008)8P Facelift (2008-2013)
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.
Google reviews
4.8Based on 246 reviewsView all reviews →
Works like a charm!
Everything went perfectly, I can only recommend it.
Automatically translated · Original: German
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 finally pass the HU there again (failed because of the red light for the airbag). Today the message came from SWE, the car is running again, the red light is off and the HU was also passed. Once again many thanks for the help in need. Keep it up and maybe word will also spread in SWE that Airbag 24 does great work. Regards Gerd
Automatically translated · Original: German
Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!
Automatically translated · Original: German
Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍
Automatically translated · Original: German
What is an Audi A3 8P airbag control unit?
The Audi A3 8P airbag control unit is the central electronic unit that monitors and controls the vehicle's entire airbag safety system. It processes crash signals, deploys airbags and seatbelt pretensioners in an emergency, and stores important diagnostic data to ensure occupant safety at all times.
It connects sensors to the airbags and seatbelt pretensioners via wiring harnesses. This unit is crucial for the correct functioning of the restraint systems after an accident.
The control unit continuously monitors all airbag components and sends a warning signal to the indicator light in the instrument cluster if any errors are detected. After deployment or in the event of a malfunction, crash data must be professionally erased to restore the system to normal operation.
Why is the Audi A3 8P airbag control unit defective?
An Audi A3 8P airbag control unit can be defective due to internal component failure, a power outage, or communication errors in the vehicle's network. Common causes include crash data stored after an accident or persistent internal system errors, which make an Audi A3 8P airbag control unit repair unavoidable.
If the control unit issues error codes 00003 or 65535, this indicates a fatal internal defect. Such errors often result in a loss of communication with the control unit and a permanently illuminated airbag warning light.
Error codes like 00532 indicate problems with the vehicle's electrical system, suggesting loose wires or an insufficient power supply. An unstable power supply can damage the control unit's sensitive electronics.
Communication errors (e.g., U1121, U1123) indicate that the control unit is receiving no or incorrect messages via the CAN bus. This can be caused by defective wiring or faulty internal logic within the unit and requires precise diagnosis.
Common error codes for Audi A3 8P airbag control unit repair
For Audi A3 8P airbag control unit repairs, specific error codes are crucial. They directly indicate problems with the control unit itself or its communication within the vehicle network. These codes help specialists quickly identify the exact cause of a defect and resolve it specifically.
- 00003 → Control unit defective / faulty → Internal system error or no communication with the control unit.
- 00532 → Supply voltage B+ lower limit exceeded → Problems with the power supply to the control unit or cable defect.
- 65535 → Control unit defective → Generic, often fatal internal control unit defect that requires repair.
- 8204 (U1121 00) → Data bus missing message (Airbag_02 message not received) → Communication error in the CAN bus, the control unit does not receive any data.
- 8206 (U1121 00) → Data bus missing message (Airbag_03 message not received) → A specific missing message in the data bus, indicating communication problems.
- 32869 (U1123 00) → Data bus received error value invalid (e.g. AB_belt buckle_FA invalid) → The control unit receives invalid data from other modules in the vehicle network.
What part numbers are available for the Audi A3 8P airbag control unit repair?
For the Audi A3 8P airbag control unit repair, several specific and 100% verified Audi OEM part numbers are relevant, all of which are suitable for the 8P model. These versions cover different software versions and engine variants, but all come from original suppliers such as Bosch.
- 8P0959655 (basic part number, original Audi)
- 8P0959655C (Audi / Bosch, e.g. Bosch No. 0285001666)
- 8P0959655D (Audi / Bosch, e.g. Bosch No. 0285001700)
- 8P0959655H (Audi / Bosch, e.g. Bosch No. 0285001857)
- 8P0959655P (Original Audi OEM)
These part numbers are explicitly listed as airbag control units for the Audi A3 8P and are linked to corresponding Bosch part numbers, confirming their OEM status. A thorough compatibility check based on model year and engine type is always recommended.
The control unit is usually located in the center console or under the dashboard and has special, polarity-protected connectors for crash sensors, airbags, and seatbelt pretensioners. The workshop should have manufacturer-specific diagnostic equipment available for installation and diagnosis.
4.8
Based on 246 reviews
What our customers say
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leolylast month„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwas3 days ago„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 fi…“
Automatically translated · Original: German
Gerd Goldammer4 days ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
Christian Maegerlein6 days ago„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“
Automatically translated · Original: German
Toni Buienlast week„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
Abdul KSlast week„All great👍“
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Edin Avdiclast week„All great, fast delivery. Thanks.“
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Andrej Ivanovlast week„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“
Automatically translated · Original: German
Dennis Welast week„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“
Automatically translated · Original: German
Tokeh Tokehlast week„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“
Automatically translated · Original: German
Sven Wegenerlast week„Ok.“
Zsolt Szabólast week
