2008 – 2012 GM – Body Control Module (BCM) 15819552 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Imagine you’re behind the wheel of your 2010 Chevy Tahoe on a rainy night, and suddenly your headlights flicker, doors refuse to lock, and the dashboard lights up with warning codes. Frustrating, right? If you’re asking, “Why is my GM Body Control Module failing in my 2008-2012 vehicle?” or searching for “how to fix intermittent electrical issues in Chevy Express van BCM,” you’re likely dealing with a faulty BCM that’s disrupting everything from power windows to security systems. This pre-programmed replacement, part number 15819552, is your direct solution—flashed with the latest GM updates using your VIN for seamless integration. It matches numerous interchangeable numbers like 10382479, 15093910, and more, ensuring compatibility across models such as Impala, Tahoe, Express vans, and Acadia. Beyond basic fixes, this module restores reliable performance, clears persistent DTC codes like P0601 or U0140, and enhances overall vehicle stability, drawing from my two decades in diagnostics where I’ve seen these units fail due to moisture ingress or voltage spikes, often in high-mileage work vans.
Key Features & Benefits
- Arrives fully programmed to your exact VIN, eliminating the hassle of dealership visits and ensuring plug-and-play readiness for 2008-2012 GM models.
- Incorporates the newest GM software flashes to resolve known glitches, improving features like remote start reliability and anti-theft functionality.
- Backed by a one-year warranty with no core charge, giving you peace of mind for daily drives or heavy towing in vehicles like Savana or Yukon.
- Optimizes electrical systems to prevent recurring faults, such as erratic wiper operation or power lock failures, based on real-shop scenarios where old modules cause cascading issues.
- Supports advanced diagnostics, helping clear trouble codes and restore smooth operation in high-demand setups like diesel-equipped Express 3500 vans with 6.6L engines.
- Enhances towing reliability by stabilizing body electronics, crucial for owners hauling loads in Suburban or Avalanche models during long hauls.
Common Issues & How This Fixes Them
From my years wrenching on GM vehicles, BCM failures often manifest as mysterious electrical gremlins. Take a 2009 Chevy Impala owner I helped: their power seats and interior lights went haywire, triggered by a corroded module from winter salt exposure. Common symptoms include doors not unlocking remotely, windows rolling down unexpectedly, or persistent airbag warning lights that won’t clear. These stem from internal circuit degradation, often linked to heat cycles in dash-mounted units or water damage in under-column placements like in Tahoe models.
Another frequent headache? No-start conditions due to anti-theft system glitches, especially in high-mileage Enclave or Traverse SUVs where the BCM loses sync with the immobilizer. This replacement fixes it by providing a fresh, updated unit that resets communication protocols, effectively clearing DTC codes and restoring normal function. For vans like the Express 2500, I’ve seen BCM issues cause erratic gauge readings during towing, leading to unsafe driving—our pre-flashed module stabilizes voltage distribution for consistent performance.
Don’t overlook subtler problems, like intermittent radio blackouts or HVAC malfunctions in Acadia crossovers. By addressing root causes through GM’s latest programming, this BCM not only resolves these but prevents future breakdowns, saving you from costly tow bills. In one case, a Savana 3500 owner avoided a full wiring harness replacement by swapping to this exact part, highlighting how it tackles underlying software bugs for long-term reliability.
Easy Installation Guide
- Provide your VIN immediately after purchase so we can program the BCM with the latest GM updates tailored to your vehicle.
- Disconnect the battery to ensure safety and prevent electrical surges during the swap—locate the BCM based on your model, such as under the steering column in Tahoe or center dash in Express vans.
- Remove the old module by unplugging connectors and unbolting it carefully; compare it against compatible IDs like 25892622 or 20815898 to confirm fit.
- Install the new BCM in the same position, reconnect all harnesses securely, and reconnect the battery.
- Perform any necessary relearns: If a no-start occurs post-install due to theft deterrent, cycle the key from off to on (without starting) for 10 minutes, repeat three times. Also, reset the airbag warning light by running the ‘Setup SDM Primary Key in BCM’ procedure with a diagnostic tool.
- For some models, recalibrate the brake pedal to optimize braking response—consult your manual or a tech if unsure, as this ensures safety in vehicles like DTS or CTS.
Fitment Details
Compatible with:
2008 – 2012 GM –
Verify part numbers; provide VIN for confirmation. No core charge required.
Regain control of your GM vehicle’s electrical systems today with this reliable BCM—it’s the expert-backed fix that restores confidence for everything from family road trips in an Acadia to job-site reliability in an Express van. Order now, supply your VIN, and drive worry-free with our one-year warranty backing you up.