Tired of Chasing Electrical Gremlins in Your GM Truck or Van?
Is your Silverado, Sierra, Express, or Savana acting possessed? One day the power windows work, the next they don’t. The security light flashes for no reason, or worse, the vehicle refuses to start. These frustrating, intermittent issues often point to one culprit: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s comfort and convenience features, a faulty BCM can wreak havoc. Stop throwing parts at the problem and get the definitive solution.
This is a direct-fit replacement Body Control Module, part number 15194169, for a wide range of 2003-2007 GM vehicles. The best part? We take the guesswork and expense out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our experts will program the module with the latest GM software specifically for your truck or van. This means no costly trip to the dealership for programming. You’ll receive a Programmed GM BCM that is ready for installation right out of the box, saving you time and money.
From the Diagnostic Bay: The Case of the Haunted Silverado
A customer brought in his 2005 Silverado 1500 last month with a list of bizarre symptoms. The radio would turn on and off by itself, the dome light would flicker, and occasionally the power locks wouldn’t respond to the key fob. He had already replaced the battery and checked all the fuses. In my shop, I’ve seen this exact pattern hundreds of times. We connected our diagnostic scanner and found multiple communication loss codes with various modules. This pointed directly to the BCM as the failing hub. Instead of a complex wiring chase, the solution was a new, correctly programmed BCM. After installing this exact part (programmed to his VIN), every single electrical issue was resolved. It’s a common failure, but thankfully, a straightforward fix.
Is Your GM Truck or Van Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lights (headlights, dome lights, dash lights).
- ✔ The security system light stays on or flashes, preventing the engine from starting.
- ✔ The radio or instrument cluster randomly loses power.
- ✔ False warnings appearing on the driver information center (DIC).
- ✔ Communication errors with other vehicle modules when using a scan tool.
Your Straightforward BCM Installation Guide
Replacing the BCM is a manageable job for a DIY enthusiast. While the exact location varies slightly, the process is similar. This guide covers the most common locations.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
- Locate the BCM: On Silverado and Sierra pickups, it’s typically located under the driver’s side of the dashboard, near the steering column. On Express and Savana vans, it’s usually found behind the center dash trim.
- Remove and Replace: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Unbolt or unclip the old module and remove it. Secure the new, pre-programmed BCM in its place.
- Reconnect: Firmly plug all electrical connectors into your new BCM. You should hear a ‘click’ as they lock into place. Reconnect the negative battery terminal.
- Crucial Final Steps: After installation, two procedures are often necessary. You will need a capable diagnostic tool to perform the ‘Setup SDM Primary Key in BCM’ to clear the airbag light. Some vehicles may also require a Brake Pedal Position Sensor recalibration. Failure to perform these steps can leave warning lights on and compromise system functions.
By purchasing a Programmed GM BCM from us, you’ve already handled the most difficult part of the job—the software configuration. This makes the physical swap a much more direct process.
Verified Fitment for Your GM Vehicle
This module is a direct replacement for multiple part numbers, including 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689. It is guaranteed to fit the following models with the specified options:
- Chevrolet Silverado 1500/2500/3500 (2003-2007 Classic): Fits models (excluding Crew Cab) with specific transmission options. Please verify your vehicle in the compatibility chart.
- GMC Sierra 1500/2500/3500 (2003-2007 Classic): Fits models (excluding Crew Cab) with specific transmission options. Please verify your vehicle in the compatibility chart.
- Chevrolet Express 1500/2500/3500 (2003-2007): Fits models without the commercial tradesman package for 2004-2007.
- GMC Savana 1500/2500/3500 (2003-2007): Fits models without the commercial tradesman package for 2004-2007.
- Chevrolet SSR (2003-2006): Direct fit for all models.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that controls many of the non-engine related electronic functions in your vehicle. This includes power windows, locks, interior and exterior lighting, security system, wipers, and instrument panel warnings.
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the specific software and settings for your vehicle’s exact options (like keyless entry, power seats, etc.). This makes the module plug-and-play and avoids a trip to the dealer.
Is this a difficult part to replace for a DIYer?
The physical replacement is generally straightforward, requiring basic hand tools to access panels under the dash. Since we handle the programming, the most complex part is already done for you. The post-installation procedures (airbag and brake sensor) are the most technical steps.
What happens if I don’t perform the post-installation procedures?
If you don’t perform the ‘Setup SDM Primary Key’ procedure, the airbag warning light will likely remain on, and the supplemental restraint system may not function correctly. Not performing the brake pedal recalibration, if required, could affect brake light operation or traction control systems.
Will this fix my ‘Service Airbag’ light?
If the airbag light is on due to a communication fault with a bad BCM, this part will resolve the root cause. However, you will still need to use a diagnostic tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to properly sync the new BCM with the airbag system and turn off the light.