2013 Sierra 3500 Body Control Module 15878753 Programmed To Your VIN BCM

2013 GMC Sierra 3500 Body Control Module (BCM) 15878753 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com

Ever dealt with your 2013 GMC Sierra 3500 suddenly refusing to lock doors or flickering headlights that make night drives a hassle? As a seasoned mechanic who’s wrenched on countless heavy-duty trucks like yours, I’ve seen how a failing body control module can turn a reliable workhorse into a frustrating puzzle. Questions like “why is my Sierra 3500’s HVAC blower acting up intermittently?” or “how do I fix the airbag light and DTC B1001 in my 2013 GMC truck?” often point straight to the BCM. This OEM-spec GM part 15878753, interchangeable with 25844480 and others like 25835966 or 15263363, arrives VIN-programmed for seamless integration. It oversees vital systems from power windows and security to wipers and interior lights, restoring that smooth, factory-fresh performance in models including Chevrolet Silverado series, GMC Yukon, and Cadillac Escalade variants from 2007-2013. By swapping in this module, you’re not just patching symptoms—you’re preventing cascading electrical failures that could sideline your rig during a critical haul.

Key Features & Benefits

• Plug-and-Play VIN Programming: Tailored to your Sierra 3500’s VIN with the newest GM software, ensuring instant compatibility and clearing persistent DTCs without a trip to the dealer.
• Robust System Control: Manages everything from door locks to HVAC, delivering reliable operation that cuts down on random glitches and boosts overall vehicle security.
• OEM-Level Durability: Crafted to strict standards with a full one-year warranty, perfect for the demands of towing or off-road use in your 2013 Sierra 3500.
• Wide Interchangeability: Matches multiple part numbers such as 15943678, 25790508, and 25971916, making it a versatile choice for repairs across compatible GM trucks and SUVs.
• No-Hassle Policy: Skip the core charge—keep your old BCM without returns, simplifying the process for busy owners tackling their own fixes.
• Proactive Issue Prevention: Helps avoid grounding faults or misfires by stabilizing body electronics, based on real-shop insights from years of diagnosing similar heavy-duty setups.

Common Issues & How This Fixes Them

In my experience working on GMC trucks, a bad BCM in a 2013 Sierra 3500 often shows up as erratic power windows that won’t budge or door locks that fail randomly, stemming from internal circuit degradation due to moisture or vibration from rough roads. You might notice the security system triggering false alarms, leading to stalling or no-start conditions—common in high-mileage haulers exposed to elements. Another red flag is the airbag warning light paired with codes like DTC B1001, which can signal communication breakdowns between modules, compromising safety. Intermittent HVAC blower issues? That’s frequently tied to BCM faults disrupting control signals, especially in colder climates where your Sierra battles snow and salt. Replacing with this pre-programmed 15878753 unit resolves these by recalibrating the network, eliminating grounding problems that exacerbate symptoms. I’ve fixed rigs where owners ignored early signs, only to face bigger repairs—swapping early saves time and money. For instance, one client with a similar Sierra saw misfires vanish post-install, as the new module restored proper signal integrity.

Easy Installation Guide

1. Provide your VIN during purchase to ensure precise programming for your 2013 GMC Sierra 3500.
2. Locate the BCM under the steering column—disconnect the battery first for safety to prevent electrical shorts.
3. Remove the old module by unplugging connectors and unbolting it; installation typically wraps in under five minutes with basic tools.
4. After connecting the new unit, reconnect the battery and perform any necessary relearns: If no-start occurs, do a theft deterrent relearn by cycling the key from off to run (without starting) three times for 10 minutes each.
5. Address airbag lights by using a diagnostic scanner for the ‘Setup SDM Primary Key in BCM’ procedure to reset warnings like DTC B1001.
6. Check for brake pedal recalibration if needed—some Sierra models require this to maintain braking efficiency; consult your manual or a tech if unsure.

Fitment Details

Don’t let BCM woes keep your 2013 GMC Sierra 3500 off the job—grab this VIN-programmed 15878753 today for reliable fixes and peace of mind. With fast shipping from Highway71AutoParts.com, you’ll be back to hauling loads without the headaches. Order now and experience the difference expert support makes!