Restore Your Caprice’s Electrical System with a VIN-Programmed BCM

As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable vehicle into a source of constant frustration. If your 2011-2013 Chevrolet Caprice is plagued by bizarre electrical issues—from flickering lights to malfunctioning power windows—the BCM is often the culprit. It’s the central command center for your car’s body electronics, and when it goes bad, it creates a cascade of problems that are notoriously difficult to diagnose. This isn’t just an inconvenience; it can be a safety issue when exterior lights or security systems are affected.

We take the guesswork and high dealership costs out of the equation. This replacement BCM, part number 25934763, is a direct-fit solution that arrives at your door fully programmed to your vehicle’s specific VIN. We load it with the latest GM software updates, ensuring optimal performance and communication between all your car’s electronic systems. This means no expensive trips to the dealer for programming—a savings of both time and money.

Common Signs of a Failing BCM

If you’re experiencing any of the following, a faulty BCM is the likely cause. Replacing it with our pre-programmed 2011-2013 Caprice Body Control Module can be the definitive fix.

• ✔ Erratic or non-functional interior and exterior lights.
• ✔ Power windows, door locks, or mirrors working intermittently or not at all.
• ✔ The security system acting up or preventing the car from starting (Passlock issues).
• ✔ Dashboard warning lights illuminating for no reason (e.g., ABS, Airbag).
• ✔ Communication error codes, typically U-codes (like U0100, U0140), stored in the system.
• ✔ A/C and climate control functions behaving unpredictably.
• ✔ Rapid battery drain when the vehicle is off.

A Straightforward Guide to BCM Installation

This installation is manageable for a skilled DIYer. The key is taking your time and being organized. Remember, our pre-programming service handles the most complex part of the job for you.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
2. Locate the BCM: On the 2011-2013 Caprice, the Body Control Module is typically located in the cabin, often behind a panel on the driver’s or passenger’s side dash area. A quick search for your specific model year will confirm the exact location.
3. Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
4. Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all the electrical connectors, ensuring each one clicks securely into place.
5. Power Up: Reconnect the negative battery terminal. The vehicle may need to go through a brief relearn cycle.
6. Post-Installation Checks: Start the car and test all body functions: lights, locks, windows, radio, etc. Note that some vehicles may require additional procedures as outlined below.

Important Post-Installation Information

While this BCM is programmed for your vehicle, some integrated systems may require a handshake procedure after installation. This is normal for many modern vehicles.

• Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a professional-grade scan 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 needed to ensure proper function of the brake lights and traction control system.
• No Core Charge: You don’t need to send your old part back. This saves you the hassle and cost of a core return.

Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a certified technician if you are unsure about any step.

Verified Vehicle Compatibility

This module is a direct replacement for part number 25934763 and interchanges with a wide range of other GM part numbers. It is guaranteed to fit the following vehicles:

Frequently Asked Questions