MERCEDES VITO SAM MODULE CONTROL UNIT 6395450201 [04]

Part Number:

• 6395450201 refers to a specific version of the SAM module designed for the Mercedes-Benz Vito (W639 model).
• It is critical to match the part number when replacing or repairing the module to ensure compatibility.

Purpose:

The SAM module acts as the main interface for signals and electrical systems. It collects inputs from sensors and switches, processes the data, and controls various actuators and systems in the vehicle.

Functions:

The SAM module in the Vito typically manages the following:

• Lighting: Headlights, taillights, indicators, interior lights, etc.
• Wiper System: Front and rear windshield wipers.
• Central Locking: Controls the locking and unlocking of doors.
• Power Windows: Manages window regulators.
• Communication: Acts as a gateway between different CAN bus systems in the vehicle.

Common Issues:

• Corrosion or Water Damage: The module is sometimes located in areas prone to moisture, leading to electrical malfunctions.
• Overheating: Can cause intermittent functionality or complete failure.
• Faulty Relays or Components: Internal wear can disrupt operations like lighting or central locking.

Symptoms of a Faulty SAM Module:

• Malfunctioning lights or indicators.
• Problems with power windows or central locking.
• Unresponsive wipers.
• Error codes displayed on diagnostic tools related to SAM.

Replacement:

• Diagnostic Testing: A diagnostic tool (e.g., STAR Diagnostics for Mercedes) is required to confirm faults in the SAM module.
• Programming: If replaced, the new SAM module needs to be coded and programmed to match the vehicle's specifications.