3D0909139

The Porsche 3D0909139 keyless control immobilizer module is an essential component of the advanced security system in your 2008 Porsche Cayenne. This module is responsible for communicating with your vehicle's engine control unit (ECU) to ensure that only authorized keys can start the engine.

The immobilizer system uses a rolling code technology to generate unique authentication codes for each key. When you insert the key into the ignition or press the start button, the module sends a request to the key for a valid authentication code. If the key provides the correct code, the immobilizer system grants access to the engine, allowing it to start.

This module also integrates with the keyless entry system, enabling you to unlock the doors and open the tailgate without using the key. When you press the keyless entry button, the module sends a radio frequency signal to the vehicle, which in turn activates the locks or the tailgate release mechanism.

The Porsche 3D0909139 immobilizer module is robustly built to withstand the rigors of daily use. It is designed to be waterproof and resistant to extreme temperatures, ensuring reliable operation in all weather conditions. The module is also programmed to detect and prevent manipulation attempts, providing an additional layer of security for your vehicle.

Installing the immobilizer module is a straightforward process that can be done by a professional technician or an experienced DIY enthusiast. The module is compatible with all 2008 Porsche Cayenne models equipped with the keyless entry and immobilizer system.

Overall, the Porsche 3D0909139 keyless control immobilizer module is an essential component of your vehicle's security system. It provides peace of mind by preventing unauthorized access to your vehicle and ensuring that only your authorized keys can start the engine. Its integration with the keyless entry system adds convenience to your daily life, making it an indispensable part of your Porsche Cayenne.

Buying a Porsche 3D0-909-139, 2008 Cayenne keyless control immobilizer module, can offer several benefits and drawbacks. Here are some potential points to consider:

1. Convenience: This module enables the keyless entry and start system in your 2008 Porsche Cayenne, adding comfort and ease of use to your daily driving experience.

2. Improved Security: The immobilizer system helps protect your vehicle against theft by preventing the engine from starting unless the correct key is present.

3. Potential Cost Savings: In some cases, replacing this module could be more cost-effective than repairing other parts of the keyless entry system or the entire key fob.

1. Cost: The price of this module can be relatively high, and it may not be covered under warranty in some cases.

2. Installation Complexity: Installing the module yourself might be challenging, as it requires specific tools and knowledge of the vehicle's wiring system.

3. Dependence on Original Part: Using a non-OEM (original equipment manufacturer) part might result in compatibility issues or reduced performance compared to using the genuine Porsche part.

In conclusion, buying a Porsche 3D0-909-139, 2008 Cayenne keyless control immobilizer module can bring convenience and security to your vehicle, but it comes with a higher cost and potential installation complexities. If you value the benefits and are willing to invest in a genuine OEM part, it could be a worthwhile investment for your Porsche Cayenne. However, if the cost is a concern or you're unsure about your ability to install the module yourself, you might want to explore other options or consult a professional mechanic for advice. Ultimately, the decision depends on your individual circumstances and priorities.

Details:

2008 Porsche Cayenne keyless entry control immobilizer module oem removed off ifs 4.8 v8 3d0 909 139 c 3D0909139.

specifications perfoelectric:

• for models: Cayenne
• for years: 2008
• brand: Porsche
• mpn: 3d0909139
• part type: Control Entry Module
• performance part: Yes

seller perfoelectric:

• city: andover, minnesota
• # reviews: 60
• rating: 100.0%

returns perfoelectric:

• policy: no returns

shipping perfoelectric:

• carrier: usps
• class: standard
• service: usps ground advantage
• transit: 2-6 days
• type: calculated

general perfoelectric:

• category: Auto Parts > Electrical Components

offer perfoelectric:

• availability: in stock
• best offers: true
• sold #: 12
• prices: $64.79–$1424.99
• item condition:
  • Used
  • New
  • Usato
• options: ship-to-home
• in stock #: 5
• started: january 22, 2026

payments perfoelectric:

• credit card: diners-club
• other
• wallet: paypal

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