What is a Porsche 911 Carrera S 996 airbag control unit?
The Porsche 911 Carrera S 996 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously processes sensor data, stores error messages and crash data, and ensures the proper functioning of all airbag modules in the vehicle for maximum safety.
This essential component is responsible for the precise control of the airbags and seatbelt pretensioners. It is designed for high reliability and robustness to respond flawlessly in critical situations.
With a weight of approximately 0.2 to 0.25 kilograms, the control unit is compact and efficiently installed in the vehicle interior.
Why is the Porsche 911 Carrera S 996 airbag control unit defective?
The Porsche 911 Carrera S 996 airbag control unit can fail due to aging electronics, moisture damage, overvoltage, or the storage of crash data after an accident. Such a failure leads to the deactivation of the airbag system, which significantly impairs vehicle safety and requires immediate repair.
Internal circuit faults or corroded contacts are common causes of control unit failure. Even after a minor accident, the control unit can be permanently blocked, even if no airbags are deployed.
Repairing the Porsche 911 Carrera S 996 airbag control unit is often a more economical alternative to purchasing a new one and will restore functionality. A professional diagnosis in a workshop is essential for this.
Common error codes for Porsche 911 Carrera S 996 airbag control unit repair
If the Porsche 911 Carrera S 996 airbag control unit is faulty, specific error codes indicate internal problems or communication disruptions that require immediate diagnosis and repair of the airbag system. These codes help precisely identify the problem and restore your vehicle's safety.
- **B1000** → Control unit communication error → Problems transmitting data to the airbag control unit.
- **B1001** → Control unit internal error → Internal malfunction or fault in the airbag control unit itself.
- **194** → Control module internal fault (ECU) → Serious internal defect in the airbag control unit that requires repair.
What part numbers are available for the Porsche 911 Carrera S 996 airbag control unit repair?
Various OEM part numbers are relevant for repairing the Porsche 911 Carrera S 996 airbag control unit. These ensure exact compatibility and functionality for your specific vehicle model and year. The exact part number is crucial for finding the correct replacement part and maintaining system integrity.
The part number **99661821901** is a verified original part number for the airbag control unit of the Porsche 911 Carrera S 996. It is listed in official parts catalogs and is widely available.
The successor is often cited as the number **99661821902**, which is also fully compatible with the 996 model and performs the same functions. Both are suitable for repairing the control unit.
The number **99661821900** represents an earlier variant, superseded by 99661821901 and 99661821902, but still belonging to the same device series. It can be found in older 996 models.
Another relevant OEM part number is **99680308902**, which is also used as an airbag control unit in the 996 Carrera S. This number is confirmed by several specialist dealers as a genuine Porsche part.
Correctly verifying the installed part number is crucial to ensure that the **Porsche 911 Carrera S 996 airbag control unit repair** is successful and the failure is resolved.