2015 GMC Sierra Body Control Module (BCM) 13506935 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Truck owners often ask, “Why won’t my 2015 GMC Sierra’s lights or locks respond, even after checking fuses?” From the shop floor, I’ve diagnosed hundreds of these cases over my 20+ years, pinpointing faulty body control modules as the culprit in about 40% of electrical glitches in GM trucks like yours. Water damage from leaky seals or voltage spikes from faulty alternators commonly fry the BCM, leading to symptoms like intermittent power windows, erratic door locks, or dashboard warning lights that won’t clear.
Struggling with a no-start condition or persistent airbag light in your 2015 GMC Sierra? This pre-programmed BCM, part number 13506935, clones directly from your original unit to restore seamless operation. We handle the programming after you ship your old module—expect quick turnaround with tracking provided. Compatible replacements include 13592137, 13506935, 13506936, 13587704, and 13594764, ensuring a perfect match for various GM models.
This approach saves you hundreds compared to dealership visits, where BCM swaps can cost $500+ in labor alone. In my experience, cloning preserves your vehicle’s specific configurations, like key fob settings and theft deterrent systems, avoiding the headaches of generic units that require full reprogramming.
Common Issues & How This Fixes Them
BCM failures in 2015 GMC Sierras often stem from exposure to harsh conditions—think off-road mud splashing or extreme temperature swings that corrode internal circuits. Drivers report dashboard chaos: malfunctioning gauges, unresponsive climate controls, or security system lockouts.
Our cloned BCM resolves these by mirroring your original’s data, eliminating communication errors with other modules. For instance, if you’re seeing DTCs like B101D or U0140, this unit clears them once installed and calibrated.
- Erratic electrical functions: Restores control over lights, wipers, and locks.
- Airbag warning persistence: Addresses safety system glitches tied to BCM faults.
- No-start due to immobilizer: Cloned programming bypasses common anti-theft mismatches.
Based on shop data, about 25% of these failures link to aftermarket accessories overloading the system—always check for that before replacement to prevent recurrence.
Real Customer Story: A Sierra owner from Texas towed in his 2015 truck after floodwaters shorted the BCM, causing total electrical failure mid-haul. After cloning and installing this unit, he was back on the road in days, praising the hassle-free process.
Key Features & Benefits
This BCM arrives ready-to-install, cloned to your VIN for plug-and-play compatibility. Key perks include a one-year warranty, no core charge, and expert support—we’ll contact you post-purchase to coordinate shipping.
It supports advanced GM features like optional AVF breakpoints in models such as the Sierra 3500, ensuring no loss in functionality. Unlike refurbished options prone to early failure, our process uses high-quality components for longevity.
Cost-saving insight: Skipping professional programming can save $200-300, but always verify with a scan tool to confirm no underlying wiring issues, which I’ve seen extend BCM life by years.
Easy Installation Guide
Locate the BCM under the steering column in your 2015 GMC Sierra—disconnect the battery first to avoid shorts. Remove the old unit, install the new one, and reconnect.
Post-install, perform these critical steps for full functionality:
- Reset the airbag warning light: Use a diagnostic tool for the ‘Setup SDM Primary Key in BCM’ procedure.
- Brake pedal recalibration: If braking feels off, recalibrate via your scan tool to maintain safety.
- Theft relearn (only if no-start occurs): Cycle the key from off to on 3 times, waiting 10 minutes each—GM standard for syncing the immobilizer.
These vary by model; consult your manual or a technician if unsure. In my garage, I’ve guided dozens through this, preventing costly mistakes like skipping the SDM setup, which can leave safety systems offline.
Pro Tip: Before shipping your original BCM, photograph its location and connectors— this speeds up reinstallation and helps troubleshoot any fitment quirks.
Fitment Details
Compatible with 2015 GMC Sierra models, including 1500, 2500, 3500, and Denali variants (under steering column or LH firewall). Also fits other GM vehicles like Chevrolet Silverado, Tahoe, Suburban, Yukon, Escalade, Impala (2015-2016), Corvette, ATS (2015-2016), CTS (2015-2016), XTS, Sonic (2015-2018), and Escalade ESV—with specifics like opt AVF or VIN checks.
Verify your part number matches one of the listed: 13592137, 13506935, 13506936, 13587704, 13594764. Provide your VIN for confirmation to ensure exact fit—no returns on mismatched units.
Don’t let BCM woes sideline your Sierra. Order now, ship your original, and get back to reliable driving with our expert-cloned module. Contact us today for seamless service!