What is a Porsche 911 GT3 RS 991 airbag control unit?
The Porsche 911 GT3 RS 991 airbag control unit is the central safety unit that activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle.
This essential component is an integral part of the passive safety system of your Porsche 911 GT3 RS 991.
It manages the deployment and coordination of all airbag components and records critical accident data.
Why is the Porsche 911 GT3 RS 991 airbag control unit defective?
Your Porsche 911 GT3 RS 991 airbag control unit may become **defective** because stored crash data blocks its function after an accident or internal electronic **errors** occur. This leads to a system **failure** that requires specialized **diagnosis** and **repair**.
After an airbag is deployed, crash data is stored in the control unit, causing it to lock itself and an airbag warning light to illuminate.
Internal component failures due to aging, overvoltage, or manufacturing defects can also lead to a **broken** control unit.
Communication problems on the CAN bus or in the wiring can also cause sporadic **errors** that require professional **workshop** inspection.
Common error codes for Porsche 911 GT3 RS 991 airbag control unit repair
During a Porsche 911 GT3 RS 991 airbag control unit repair, specific error codes may occur, indicating internal problems or system communication issues. These require precise diagnostics using appropriate scan tools to identify and resolve the root cause of the problem.
- C12184 → Airbag SG FCT Restriction due to implausible signal → This indicates a functional restriction of the airbag control unit due to implausible internal signals.
- 7000 → NWDF (Unspecified Fault) in the airbag control unit → This general code signals an unspecified internal fault in the airbag ECU.
- 4200 → Front right speed sensor signal error → A problem with the front right speed sensor signal used by the airbag system to detect an accident.
- B1000 → Control Unit Communication Error → This code indicates a malfunction in the data communication between the airbag control unit and other vehicle systems.
What part numbers are available for the Porsche 911 GT3 RS 991 airbag control unit repair?
The **Porsche 911 GT3 RS 991 Airbag Control Unit Repair** applies to various OEM part numbers that are confirmed as standard for the 2015-2016 model year and other 991 variants. These numbers guarantee the compatibility and original quality of the part.
The relevant original part numbers include 99161820103, 99161820102 and 99161820104, which come from Porsche (Bosch) and are validated for the 991 Turbo/GT3/RS models from 2014 onwards.
Another important part number is 99161820111, which is listed as the current reference for airbag control units in the Porsche 911 (model 991) from 2017 onwards and replaces earlier revisions.
The original Porsche part number 99180308202OD9 is also relevant; it designates an airbag component (specifically seat airbag) for the 2016 Porsche 911 GT3 RS, which works closely with the control unit.