Restore Full Electrical Control to Your GM Vehicle
Is your 2010 Chevrolet Suburban 1500 acting possessed? Flickering lights, malfunctioning power windows, a security system that randomly goes off, or a dashboard lit up with warning lights are all classic signs of a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable truck into a source of daily frustration. The BCM is the central hub for your vehicle’s body electronics, managing everything from your interior lights and power locks to communicating with other critical safety systems. When it fails, the symptoms can be unpredictable and confusing.
This isn’t just an inconvenience; it can be a safety issue. A malfunctioning BCM can affect the operation of your anti-lock brakes and airbag systems. That’s why we offer a straightforward, reliable solution. This Body Control Module, part number 15948438, is the definitive fix. We take the biggest headache out of the repair process: programming. Simply provide your vehicle’s VIN at checkout, and our experts will flash this module with the latest GM software specific to your 2010 Suburban 1500. It arrives at your door ready for installation, saving you a costly trip to the dealership and hours of diagnostic guesswork.
Case Study: A Tricky Diagnosis
A customer’s 2010 Suburban 1500 came into the shop last month with a bizarre list of complaints. The radio would turn off, the driver’s side window wouldn’t go down, and the anti-theft light would flash intermittently, sometimes causing a no-start condition. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I noticed multiple communication loss codes with various modules. This pointed directly to the BCM, the network’s traffic controller. We installed one of our pre-programmed BCMs, and within an hour, every single issue was resolved. The customer was thrilled to have their truck back to normal without the dealership’s high price tag.
Is Your Suburban Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your BCM needs attention:
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system or horn activating without reason.
- ✔ Inaccurate gauge readings on the instrument cluster.
- ✔ Warning lights for ABS, Airbag, or Traction Control appearing on the dash.
- ✔ The vehicle failing to start, accompanied by a security or anti-theft light.
- ✔ Problems with the keyless entry remote.
Your Step-by-Step BCM Replacement Guide
Replacing the BCM in your Suburban is a manageable job for a confident DIYer. This pre-programmed module makes the process much simpler. For the 2010 Suburban 1500, the BCM is typically located under the driver’s side of the dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to gain access to the module. It’s a black box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug all wiring harnesses from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the wiring harnesses. You should hear a click as they lock into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Critical Final Steps: After installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level scan tool to ensure the airbag system communicates correctly and the warning light is off. Some vehicles may also require a Brake Pedal Position Sensor recalibration. If you are not equipped to perform these relearn procedures, a professional mechanic can complete them for you.
Verified Fitment for Your GM Vehicle
While this listing is for a 2010 Suburban 1500 BCM, this module is a direct replacement for a wide range of General Motors vehicles. It is compatible with dozens of original part numbers, ensuring a perfect fit and function. Some of the many compatible vehicles include the Chevrolet Tahoe, Express Van, Impala; GMC Yukon, Savana Van, Acadia; and Cadillac Escalade, DTS, and CTS from various model years. Please cross-reference your original part number with the list below to confirm compatibility.
Replaces Part Numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
Frequently Asked Questions
Do I need to do any programming after I receive this BCM?
No. We program the module to your vehicle’s VIN before shipping. However, you will need to perform a security relearn procedure and potentially other system initializations (like for the airbag and brake pedal sensor) after installation, which may require a professional scan tool.
How do I provide my VIN number?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot ship your order until we receive this information.
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer that acts as the brain for your vehicle’s electronic accessories. It controls functions like power windows, locks, interior/exterior lighting, security system, wipers, and more.
Will this fix my ‘Service Airbag’ light?
If the light is on due to a communication fault with a bad BCM, then yes, this will resolve the root cause. After installation, the ‘Setup SDM Primary Key in BCM’ procedure must be performed with a scan tool to clear the light and ensure the system is operational.
Is this a difficult part to replace myself?
For someone with basic mechanical skills, the physical replacement is straightforward. The main challenge is performing the post-installation relearn procedures. If you don’t have a high-end bidirectional scan tool, we recommend having a local shop perform these final steps for you.