2015 GMC SIERRA DENALI 3500 BCM (BCM) 13594692 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with erratic lights flickering on your dashboard or doors that refuse to lock properly in your 2015 GMC Sierra Denali 3500? As a seasoned mechanic who’s wrenched on countless GM trucks, I’ve seen how a failing Body Control Module (BCM) can turn a reliable hauler into a headache. Questions like “Why is my Sierra Denali 3500 BCM causing power window failures?” or “How to troubleshoot BCM problems in 2015 GMC trucks?” often lead owners here. This pre-programmed BCM, part number 13594692, solves those woes by cloning data from your original unit—no guesswork involved. We handle the programming after you ship your old BCM, ensuring seamless compatibility with models like the Sierra Denali 3500 and others. Drawing from real shop scenarios, this approach restores full functionality, from anti-theft systems to accessory controls, preventing costly misdiagnoses. Beyond basics, it integrates with GM’s network, stabilizing signals that water damage or electrical shorts often disrupt, giving you peace of mind on long hauls.
Key Features & Benefits
- Direct cloning from your original BCM guarantees exact match to your vehicle’s VIN, eliminating compatibility errors common in generic replacements.
- Comes with a robust one-year warranty, backed by our expertise in GM electronics, so you drive confidently without unexpected failures.
- No core charge hassle—simply ship your existing module, and we program and return the new one with tracking for quick turnaround.
- Supports interchangeable part numbers like 13594768, 13593214, 13580690, 13591519, and 13594769, broadening fit for various GM setups.
- Expertly tested for durability against common BCM stressors like voltage spikes, ensuring longer service life in demanding truck environments.
- Includes post-install guidance on resets, helping you avoid dealer fees while maintaining safety features like airbag readiness.
Common Issues & How This Fixes Them
In my years diagnosing GM vehicles, BCM failures in trucks like the 2015 Sierra Denali 3500 often stem from moisture intrusion or wiring faults, leading to symptoms such as intermittent power locks, non-responsive key fobs, or dashboard warning lights that won’t clear. For instance, if your Sierra’s interior lights stay on unexpectedly, it could signal a corrupted BCM module draining the battery—I’ve fixed this on similar models by swapping in a cloned unit that restores proper signal processing. Another frequent headache: “My 2015 GMC Sierra Denali 3500 has BCM-related no-start issues”—this ties back to anti-theft glitches where the module fails to recognize the key, halting engine cranking. Our pre-programmed BCM resolves this by mirroring your original data, seamlessly integrating to bypass those errors. Electrical shorts from worn harnesses might cause random accessory failures, like wipers activating on their own; replacing with this unit recalibrates the system, preventing recurrence. Through hands-on analysis, I’ve noted that ignoring these can escalate to full system blackouts, but this fix empowers DIYers with a plug-and-play solution, saving time and money while enhancing reliability for towing or off-road use. Always scan for DTCs like B101D or U0140 first to confirm—pairing this with a basic OBD tool uncovers root causes efficiently.
Easy Installation Guide
- Verify your vehicle’s VIN and part number match—contact us for confirmation to ensure perfect fitment.
- Disconnect the battery to prevent electrical surges, then locate the BCM under the steering column or on the LH firewall as per your model’s specs.
- Carefully remove the old BCM by unplugging connectors and mounting bolts—note any corrosion for future prevention.
- Install the new pre-programmed BCM in the same position, securing connections firmly to avoid loose wiring issues.
- Reconnect the battery and perform initial tests for basic functions like lights and locks.
- Follow relearn procedures: If no-start occurs, conduct theft deterrent relearn by cycling the key from off to run (without starting) three times, waiting 10 minutes each cycle. Additionally, reset the airbag warning light via the ‘Setup SDM Primary Key in BCM’ using a diagnostic tool, and recalibrate the brake pedal if your vehicle requires it for optimal safety—consult your manual or a pro for variations.
Fitment Details
Compatible with:
2015 GMC SIERRA DENALI 3500
Verify part numbers; provide VIN for confirmation. No core charge required.
Restore your 2015 GMC Sierra Denali 3500’s reliability today with this expertly cloned BCM—it’s the smart fix for persistent electrical gremlins. Don’t let a faulty module sideline your truck; order now and experience hassle-free performance. Contact us post-purchase to arrange shipping, and get back on the road faster.