Porsche Cayman 987C Tilt Alarm Control Unit Module 99761826500

Porsche Cayman 987C Tilt Alarm Control Unit Module is an original component from the Electronic control modules and controllers group, designed to support the factory security system in Porsche vehicles. This used alarm control unit ensures consistency with the vehicle's electrical installation, providing stable communication with other electronic modules and ensuring the correct operation of comfort and anti-theft functions.

Specifications and technical data

• SKU: 99761826500
• Mark: Porsche
• Condition: Used
• OEM Part Number: 99761826500
• Substitutable numbers: 99761826500, 997 618 265 00
• Part type: AMP Controllers
• Category: ECUs & Computer Modules

Purpose and function of the alarm control unit

The presented module is responsible for managing key functions of the alarm system in the Porsche Cayman 987C, including processing sensor signals, interacting with the central locking system, and integrating with the body electronics. As a component from the Electronic control modules and controllers category, it operates within the vehicle's network, transmitting information to other control units and responding to vehicle security-related events.

Thanks to the preservation of the OEM architecture, the module is ready for operation within the existing electrical installation, which facilitates diagnostics, coding, and subsequent service maintenance in specialized workshops.

Benefits of using an original Porsche module

Using an original alarm control unit in the Porsche Cayman 987C allows for maintaining the consistency of the security system with the vehicle's factory configuration. This means:

• maintaining compatibility with the car's electrical installation and network architecture,
• proper cooperation with other body and comfort control units,
• the ability to use factory diagnostic and programming procedures,
• reducing the risk of communication errors in the alarm system.

A used OEM component is also a reasonable cost-effective choice while maintaining the high quality of workmanship characteristic of the Porsche brand.

Selection, installation, and compatibility

To correctly select an alarm control unit for a specific Porsche Cayman 987C configuration, it is advisable to refer to the manufacturer's markings, service documentation, and vehicle data. This allows for verifying hardware and software compatibility with the existing installation, which is crucial for the proper operation of alarm functions, central locking, and related comfort systems.

The installation of the module itself should be carried out by a workshop experienced with Porsche electronics, following procedures for disconnecting power, securing the installation, and potentially coding the control unit after replacement. Such an approach minimizes the risk of errors in the vehicle's network and ensures stable operation of the security system.

If you want to better understand how to safely select and install used control units and other automotive electronics components, the Global Parts guide will be helpful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Why choose a used OEM module for Porsche

In the case of premium cars such as Porsche, used original modules from the Electronic control modules and controllers group represent an attractive alternative to new replacements. They allow for maintaining the factory logic of system operation while reducing the costs of repair or security system upgrades. This solution is particularly beneficial during complex service work when more than one electronic component needs to be replaced.

If you are planning a comprehensive repair or upgrade of the security electronics area in your Porsche and need other elements from the same group, such as comfort controllers, central locking modules, or other units managing the alarm system, check the available parts in the Porsche electronic control modules and controllers category.

Additional context on why used original components for premium brands are currently so frequently chosen by conscious users is provided in the article: Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.