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Subaru Legacy BD Airbag Control Unit Repair
Subaru Legacy BD 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
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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.
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
- Subaru
- Model
- Subaru Legacy
- Series
- BD (1994-1999)

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
4.8What is a Subaru Legacy BD airbag control unit?
The Subaru Legacy BD airbag control unit is the central unit of the safety system, responsible for detecting collisions and reliably deploying the airbags and seatbelt pretensioners. It continuously monitors all connected sensors and stores relevant crash information, thus ensuring maximum safety for vehicle occupants in an emergency.
This module, also known as the SRS control unit, processes signals from various impact and occupant sensors. It ensures that the occupant restraint systems are activated precisely and in a timely manner in the event of an accident.
It is also responsible for continuous system diagnostics. In the event of a malfunction, the airbag warning light in the instrument cluster is activated to alert the driver to a potential system failure.
Why is the Subaru Legacy BD airbag control unit defective?
The Subaru Legacy BD airbag control unit can fail due to internal components failing due to aging or overvoltage, or due to moisture damage causing corrosion. Failure also often occurs after an accident or due to incorrect programming, making repair or replacement necessary.
Common causes of a defect include internal hardware errors or software corruption, which can occur due to voltage fluctuations or the age of the vehicle. Moisture in the vehicle interior can also lead to short circuits or corrosion of the sensitive electronic components, which can cause the module to fail.
After an accident, the control unit often requires repair because it stores crash data and then locks up. Incorrect coding or programming after a replacement can also lead to failure, requiring professional Subaru Legacy BD airbag control unit repair or reconfiguration.
Common error codes for Subaru Legacy BD airbag control unit repair
When repairing the Subaru Legacy BD airbag control unit, common error codes directly indicate problems with the control unit itself, such as internal defects, faulty coding, or communication loss. Reading these specific B and U codes is crucial for precise diagnosis and targeted repair of the failure.
- B1650: SRS/ACM control unit internal error → Internal defect, hardware failure, moisture damage or voltage problems in the control unit.
- B1655: Airbag control unit (ACM) coding error → Faulty or incorrect programming after replacement or a firmware update of the control unit.
- U0151: Loss of communication with airbag control unit (SRS ECU) → Defect in the control unit, network problems on the CAN bus or cable damage for communication with other modules.
These specific trouble codes are detected by Subaru diagnostic tools and are indicators of a necessary Subaru Legacy BD airbag control unit repair . A precise diagnosis is essential to identify the cause of the failure and restore the airbag system to full functionality.
What part numbers are available for the Subaru Legacy BD airbag control unit repair?
For this repair product, the part numbers 98221AE170 (manufacturer number) and 1523004941 (supplier number) are recorded for the Subaru Legacy BD airbag control unit repair. Both belong to airbag control units of this model. The part number is printed on the label of the control unit and can be stated on the repair order.
Manufacturer numbers are numbers of the vehicle manufacturer, supplier numbers come from the supplier of the airbag control units.
Based on 246 reviews
What our customers say
„Ok.“
„Works like a charm!“
„Everything went perfectly, I can only recommend it.“
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„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…“
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„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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„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 👍“
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„Uncomplicated service. Fast and thorough. Can only recommend.“
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„All great👍“
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„All great, fast delivery. Thanks.“
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„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“
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„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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„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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„Ok.“



