Programmed 2002 Sierra 1500 BCM 19208537 | Body Control Module

Restore Your Truck’s Electrical System with a Plug-and-Play Solution

Are you tired of chasing down electrical gremlins in your 2002 GMC Sierra 1500? When the power windows stop working, the interior lights have a mind of their own, or the security system acts up, a failing Body Control Module (BCM) is often the culprit. As the central nervous system for your vehicle’s comfort and convenience features, a faulty BCM can cause a cascade of frustrating and unpredictable problems. This isn’t just an annoyance; it can affect your truck’s daily usability and security. We offer a dependable, direct-fit replacement BCM that solves these issues without a costly trip to the dealership.

This module comes fully programmed to your truck’s specific Vehicle Identification Number (VIN). Simply provide us with your VIN after purchase, and our experts will flash the unit with the latest GM software updates. This ensures it communicates perfectly with your truck’s other modules right out of the box, making the repair process as smooth as possible. This is the most efficient way to get your 2002 Sierra 1500 BCM replaced and your truck back to 100%.

Is Your Truck Showing These Symptoms?

• ✔ Power windows or door locks not working or operating erratically.
• ✔ Interior dome lights or dashboard lights staying on or not turning on at all.
• ✔ The security or anti-theft system preventing the truck from starting.
• ✔ Horn honking unexpectedly or not working when pressed.
• ✔ Intermittent warning lights on the instrument cluster with no apparent cause.
• ✔ Communication error codes, such as U1000, stored in other modules.
• ✔ Problems with the radio or climate control functions.

A Straightforward Guide to Installation

1. ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
2. ✔ Locate the BCM: On most 2002 GM trucks and SUVs like the Sierra, Silverado, and Yukon, the BCM is located under the driver’s side of the dashboard, near the steering column.
3. ✔ Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket and remove it.
4. ✔ Install the New BCM: Mount the new module in the same location and securely reconnect all electrical harnesses. Ensure each plug clicks firmly into place.
5. ✔ Reconnect Battery: Reattach the negative battery terminal.
6. ✔ Perform Relearn Procedures: Start the vehicle and check for proper function of all accessories. As noted below, certain systems like the airbag or brake position sensor may require a relearn procedure with a professional scan tool to clear warning lights and ensure full functionality.

Important Post-Installation Information

While this module is programmed for your VIN, some vehicle systems may require recalibration after installation to communicate correctly with the new BCM. This is a normal part of the repair process.

• Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed using a compatible high-end diagnostic tool. This syncs the new BCM with the airbag system.
• Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure your brake lights and traction control system function as intended.

Disclaimer: Vehicle systems and procedures vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.

Will This Fit My Vehicle?

This BCM is a direct replacement for a wide range of GM trucks, vans, and SUVs. It is compatible with part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. Please verify your original part number or consult the list below. This is the correct 2002 Sierra 1500 BCM and also fits the following: