2003 – 2007 GMC Sierra 1500 BCM (BCM) 15137395 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with your 2003-2007 GMC Sierra 1500’s doors refusing to lock, headlights flickering unpredictably, or that frustrating no-start condition triggered by a security glitch? As a seasoned mechanic who’s wrenched on countless GM trucks, I’ve seen these symptoms sideline owners during harsh winter hauls or long towing jobs. The culprit? Often a failing Body Control Module (BCM) that’s lost its programming or succumbed to electrical gremlins. This pre-programmed BCM, part number 15137395, steps in as your reliable fix, flashed with the latest GM updates tailored to your VIN for seamless integration. It clears persistent DTC codes like P1631 or U0100, restoring smooth operation and boosting overall vehicle reliability—especially for those heavy-duty towing tasks where downtime isn’t an option. Compatible with a range of GM models from Avalanche to Yukon, it matches part numbers including 10383536, 15116066, and more. Beyond just swapping parts, this solution delivers peace of mind, preventing repeat failures and enhancing features like remote start functionality in cold climates.
Common Issues & How This Fixes Them
In my two decades fixing GM vehicles, BCM failures in 2003-2007 Sierra 1500 trucks often show up as erratic power windows, malfunctioning interior lights, or anti-theft system errors causing intermittent starting problems. Picture hauling a trailer through rainy weather only for your wipers to quit mid-storm—that’s a classic BCM communication breakdown, often tied to corroded connectors or software glitches triggering codes like B2960. Another headache: doors that won’t unlock remotely, stranding you in a parking lot, usually from degraded module internals. This pre-programmed BCM resolves these by recalibrating systems with fresh GM firmware, eliminating voltage irregularities and restoring control over body electronics. For towing enthusiasts, it improves reliability by ensuring stable power distribution to accessories, reducing risks during long hauls. I’ve advised clients to scan for DTCs first; if you see U0140, it’s a sign the BCM needs replacement to prevent cascading failures. Real-world tip: In older Sierras, moisture ingress under the steering column accelerates issues—pair this fix with sealing checks for lasting results.
Key Features & Benefits
- Arrives fully programmed using your VIN for exact match to your 2003-2007 GMC Sierra 1500, ensuring quick plug-and-play without dealership visits.
- Incorporates the newest GM software updates to clear stubborn DTC codes and prevent future security lockouts, enhancing daily driveability.
- Backed by a one-year warranty, giving you confidence in its durability for demanding tasks like towing or off-road use.
- No core charge means straightforward purchasing—keep your old part or recycle it without extra hassle.
- Supports improved electrical stability, which can extend battery life and reduce wear on related components like relays.
- Compatible across GM lineup, including Silverado and Yukon models, for versatile fleet applications.
Easy Installation Guide
- Provide your VIN after purchase so we can flash the BCM with precise GM calibrations before shipping.
- Disconnect the battery to ensure safety, then locate the BCM under the steering column in your Sierra 1500.
- Remove the old module by unplugging connectors and unbolting it—watch for any corrosion that might indicate broader wiring issues.
- Install the new BCM, reconnect everything securely, and reconnect the battery.
- Perform post-install checks: If a no-start occurs due to theft system, cycle the key from off to run (without starting) 3-4 times, waiting 10 minutes each, to relearn security.
- For full functionality, use a diagnostic tool to run the ‘Setup SDM Primary Key in BCM’ procedure to reset the airbag light, and recalibrate the brake pedal if your model requires it for optimal safety.
Fitment Details
Compatible with:
2003 – 2007 GMC Sierra 1500
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let BCM troubles derail your Sierra’s performance—grab this pre-programmed unit today to reclaim reliable operation and hit the road with confidence. Order now from Highway71AutoParts.com and get back to towing without interruptions.