What is a Porsche 911 Targa 4 993 airbag control unit?
The Porsche 911 Targa 4 993 airbag control unit is the central safety unit in your vehicle, responsible for monitoring and, in the event of an accident, precisely deploying the airbags and seatbelt pretensioners. It processes signals from crash sensors and stores important accident data to ensure maximum occupant safety and enable subsequent diagnostics.
This electronic control unit coordinates the entire occupant restraint system in the Porsche 993 Targa 4.
It is crucial for passive safety and must always function perfectly to protect lives in an emergency.
Why is the Porsche 911 Targa 4 993 airbag control unit defective?
A Porsche 911 Targa 4 993 airbag control unit is often defective due to internal component failures that prevent proper function. This can lead to communication problems with other vehicle systems or be caused by a low supply voltage. After an accident, the control unit also stores crash data, which may require a reset or repair.
Common causes are internal circuit errors or a short circuit, which trigger an error message and make a Porsche 911 Targa 4 993 airbag control unit repair necessary.
After deployment, the control unit stores crash data, which causes the airbag warning light to remain permanently lit until it is professionally erased.
Voltage problems or a lack of communication with the vehicle electrical system can also paralyze the airbag system, leading to a failure.
Common error codes for Porsche 911 Targa 4 993 airbag control unit repair
During a Porsche 911 Targa 4 993 airbag control unit repair, specific error codes are read, which provide direct clues to the control unit's defect. These codes indicate internal problems, communication failures, or voltage fluctuations that impair the function of the airbag system, making a professional diagnosis essential.
- 12: Internal error in the airbag control unit – Indicates a fault within the control unit hardware.
- 15: Control unit defective / no communication possible – Indicates a serious failure of the ECU.
- 19: Indicator light circuit broken or open – Indicates an internal fault in the warning light circuit.
- 48: Supply voltage / battery voltage too low – Indicates an undersupply of the control unit.
- B1000: Control Unit Communication Error – A generic code for problems in the data transmission of the airbag ECU.
What part numbers are available for the Porsche 911 Targa 4 993 airbag control unit repair?
For Porsche 911 Targa 4 993 airbag control unit repairs, OEM part number 993.618.217.00 is the only verified and authoritative part number that applies to this specific airbag control unit. Other numbers are rare or refer to other components. An exact match is crucial for the safety and functionality of your vehicle.
The part number 993.618.217.00 is a genuine Porsche OEM number that is listed explicitly for the 1994-1998 model years of the 993, including the Targa 4 variants.
This number is provided by specialized airbag control unit repair services as the correct and compatible unit to repair your broken control unit.
Replacement or alternative part numbers for the 993 Targa 4 airbag control unit could not be reliably confirmed, which underlines the importance of this OEM number for the workshop.