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Porsche Cayman 981 airbag control unit repair
991.618.201.03 · Label
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Porsche Cayman 981 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.
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Repair type
Which repair matches your fault code?excluding VAT and shipping
Not sure? Just send us an enquiry or give us a call — we're happy to advise you.
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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.
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
- Porsche
- Model
- Porsche Cayman
- Series
- 981 (2013-2016)

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 Porsche Cayman 981 airbag control unit?
The Porsche Cayman 981 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle, which is essential for safety.
This highly safety-relevant component detects errors and stores them for further diagnosis. It contains vehicle-specific software that enables precise control of the restraint systems.
The repair preserves the original vehicle-specific data, allowing the error log to be erased after the repair. It is essential that work on this system be carried out only by trained specialists.
Why is the Porsche Cayman 981 airbag control unit defective?
A Porsche Cayman 981 airbag control unit can fail because it has stored crash data after an accident that can't be easily erased, or due to internal electronic errors and wear. Communication problems or overvoltage can also cause a failure, requiring a comprehensive diagnosis.
Crash data retention is a common reason for the need for repair of the Porsche Cayman 981 airbag control unit. This data blocks the system, even if there is no visible damage.
Internal defects or faulty communication with other control units can also lead to failure. This is often indicated by an illuminated airbag warning light in the vehicle.
Sometimes indirect causes, such as worn clock springs, can also cause the control unit to fail. A professional diagnosis is crucial to determine the exact cause and repair the control unit.
Common error codes for Porsche Cayman 981 airbag control unit repair
During a Porsche Cayman 981 airbag control unit repair, specific error codes occur that directly affect the control unit and are read using Porsche PIWIS. These codes indicate internal defects or communication problems and are crucial for correctly diagnosing and correcting the problem.
- 000103 → Driver airbag stage 2, resistance too low → Internal control unit error on the driver airbag circuit.
- B1000 → Control unit communication error → Problem with data transmission between the airbag control unit and other vehicle systems.
These error codes are exclusively related to the airbag control unit (ECU) and not to the sensors or seat belt pretensioners. Other code-specific problems are explicitly excluded.
Diagnosing these errors requires specialized software and expertise. After successfully repairing the Porsche Cayman 981 airbag control unit, these error codes must be professionally erased.
What part numbers are available for the Porsche Cayman 981 airbag control unit repair?
For the Porsche Cayman 981 airbag control unit repair, the part numbers 4399094, 991.618.201.03, 991.618.201.08 and 99161820102 are stored for this repair product. They belong to airbag control units of this model. To see whether your unit belongs, check the part number on its label.
The number 99161820104 is also stored for this repair product. The part number from the label can be stated on the repair order.
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.“



