What is a Porsche 911 Targa 4 964 airbag control unit?
The Porsche 911 Targa 4 964 airbag control unit is the central safety unit that precisely activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It monitors sensor data, stores crash information, and ensures the proper functioning of the modules, crucial for a professional Porsche 911 Targa 4 964 airbag control unit repair.
This safety-relevant electronic module controls the reliable deployment of the airbags and was developed specifically for the Porsche 911 Type 964, built between 1990 and 1994.
It processes signals from two airbag sensors positioned in the trunk to precisely measure acceleration and impact forces.
Why is the Porsche 911 Targa 4 964 airbag control unit defective?
The Porsche 911 Targa 4 964 airbag control unit can fail due to aging electronics, moisture ingress, overvoltage, or after an accident because the internal components fail under these conditions or crash data is irretrievably stored. A failure often requires a specialized Porsche 911 Targa 4 964 airbag control unit repair.
Defects are often indicated by illuminated airbag warning lights or unexplained error messages in the system.
An internal failure of the components or a crash entry recorded in the control unit can cause the device to stop functioning or to no longer be able to be initialized.
Common error codes for Porsche 911 Targa 4 964 airbag control unit repair
When diagnosing a defective Porsche 911 Targa 4 964 airbag control unit, specific error codes primarily occur, indicating internal problems or communication errors within the module. Precise reading is essential for a targeted Porsche 911 Targa 4 964 airbag control unit repair.
- Code 25 → Description: Error in the seat belt tensioner (seat belt pretensioner) → System: Airbag ECU (control unit specific)
- Code 27 → Description: Ignition circuit error → System: Airbag ECU
- Code 112 → Description: Unknown error code → System: Airbag ECU
These error codes relate directly to internal control unit functions or their communication partners and are typical for the airbag control unit of the 964.
They should not be confused with sensor or module errors outside the ECU, which simplifies troubleshooting a broken device.
What part numbers are available for the Porsche 911 Targa 4 964 airbag control unit repair?
For the Porsche 911 Targa 4 964 airbag control unit repair, the primary and 100% verified OEM part number from Porsche is 96461821703, also known as 964-618-217-03. This number is critical to ensuring the compatibility of the module being repaired or replaced.
The part number 96461821703 is confirmed in official Porsche Classic Parts catalogs and is listed as an original part for the Type 964.
This is specifically the airbag control unit, compatible with the original airbag system of the Porsche 964.
The advantages of a professional Porsche 911 Targa 4 964 airbag control unit repair
A professional Porsche 911 Targa 4 964 airbag control unit repair by a specialized workshop offers crucial advantages such as restoring the original safety function, saving money compared to a new purchase, and ensuring your vehicle meets the highest safety standards again. The correct diagnosis and repair of the failure are guaranteed.
The repair ensures that the module works seamlessly with the original airbag sensors, even with the technically modernized versions from Porsche Classic.
A specialist workshop uses specific diagnostic equipment to precisely locate the fault and reliably repair the defective control unit, without the need for software updates when replacing sensors.