BCM CCM Comfort Control Module User Manual

1. Introduction

This manual provides essential information regarding the BCM CCM Comfort Control Module, OEM Part Number 1C0959799C. This module is designed for specific Volkswagen models, including the Passat, Jetta, and Golf, manufactured between 2001 and 2005. The Comfort Control Module (CCM) is a critical electronic component responsible for managing various comfort and convenience features within your vehicle's electrical system.

2. Product Overview

The Comfort Control Module (CCM) acts as a central processing unit for several non-engine related electrical functions. These typically include, but are not limited to, power windows, central locking, interior lighting, electric mirrors, and sometimes alarm systems. The module ensures these systems operate correctly and in coordination.

Figure 1: Top view of the Comfort Control Module, showing the main label with OEM Part Number 1C0959799C.

Figure 2: Bottom view of the Comfort Control Module, displaying manufacturing details and country of origin.

Figure 3: Side view of the module, illustrating the electrical connector ports for vehicle integration.

3. Setup and Installation

WARNING: Installation of automotive electronic control modules requires specialized knowledge and tools. Incorrect installation can lead to damage to the module, vehicle electrical systems, or personal injury. It is highly recommended that installation be performed by a qualified automotive technician.

3.1 Compatibility Verification

Before installation, ensure this module is compatible with your vehicle. Verify the OEM Part Number 1C0959799C matches the part being replaced in your Volkswagen Passat, Jetta, or Golf (2001-2005 models).

3.2 Pre-Installation Steps (Technician Recommended)

1. Disconnect the vehicle's battery to prevent electrical shorts or damage.
2. Locate the existing Comfort Control Module in your vehicle. Its location can vary by model and year (commonly found under the dashboard, carpet, or behind trim panels).
3. Carefully disconnect all electrical connectors from the old module.
4. Remove the old module from its mounting points.

3.3 Installation Steps (Technician Recommended)

1. Mount the new (or replacement) BCM CCM module securely in the designated location.
2. Connect all electrical connectors to the new module, ensuring they are fully seated and locked.
3. Reconnect the vehicle's battery.
4. Perform necessary diagnostic scans and coding/adaptation procedures using appropriate diagnostic equipment (e.g., VCDS for Volkswagen vehicles) to integrate the new module with the vehicle's immobilizer and other systems. This step is crucial for proper function and is often required for used modules.

4. Operating the Module

The BCM CCM Comfort Control Module operates automatically as part of your vehicle's integrated electronic system. There are no direct user controls on the module itself. Its functions are activated through the vehicle's standard controls, such as:

• Door lock/unlock buttons (remote or interior)
• Power window switches
• Mirror adjustment controls
• Interior light switches

Ensure all associated comfort features function as expected after installation. If any features are not working, refer to the troubleshooting section.

5. Maintenance

The BCM CCM Comfort Control Module is a sealed electronic unit and does not require routine user maintenance. To ensure its longevity and proper function:

• Keep the vehicle's interior dry and free from excessive moisture, which can damage electronic components.
• Ensure the vehicle's electrical system (battery, alternator, wiring) is in good working condition to prevent voltage fluctuations that could harm the module.
• Avoid exposing the module to extreme temperatures or physical impact.

6. Troubleshooting

If you experience issues with your vehicle's comfort features after installing or using the BCM CCM, consider the following:

6.1 Common Symptoms of a Faulty CCM

• Inoperative power windows (all or specific ones)
• Central locking system malfunctions (doors not locking/unlocking, alarm issues)
• Interior lights not working or staying on
• Electric mirror adjustment failures
• Wiper or washer system irregularities (less common, but possible)
• Battery drain (if the module is not entering sleep mode correctly)

6.2 Troubleshooting Steps (Technician Recommended)

1. Check Fuses: Inspect all relevant fuses in the vehicle's fuse box(es) that control the comfort systems. A blown fuse can mimic a module failure.
2. Diagnostic Scan: Connect a compatible diagnostic tool (e.g., VCDS) to the vehicle's OBD-II port. Scan for fault codes related to the Comfort System, Central Electronics, or Gateway modules. These codes can pinpoint the exact issue.
3. Wiring Inspection: Visually inspect the wiring harnesses connected to the CCM for any signs of damage, corrosion, or loose connections.
4. Module Coding/Adaptation: Confirm that the module has been correctly coded and adapted to your specific vehicle using diagnostic software. Incorrect coding is a common cause of post-installation issues.
5. Power and Ground Check: Verify that the module is receiving proper power and ground connections using a multimeter.

If you are unable to diagnose or resolve the issue, consult a professional automotive technician. Attempting complex electrical repairs without proper knowledge and tools can cause further damage.

7. Specifications

8. User Tips

• Verify Part Number: Always double-check the OEM part number on your existing module against the replacement part (1C0959799C) to ensure perfect compatibility.
• Professional Installation: Due to the complexity of automotive electronics and the need for coding, professional installation is strongly recommended to avoid damage and ensure proper function.
• Battery Disconnection: Always disconnect the vehicle's battery before attempting any work on electrical components.
• Diagnostic Scan: After installation, a diagnostic scan is often necessary to clear old fault codes and perform module adaptation/coding.

9. Warranty and Support

For specific warranty information, please refer to the terms provided by the seller at the time of purchase. For technical support or inquiries regarding this BCM CCM Comfort Control Module, please contact the seller, Jor parts Store, directly.