2013 GMC SIERRA DENALI 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 Denali 3500 suddenly losing power to the windows or the HVAC blower acting up on a long haul? You’re not alone—I’ve seen this countless times in my shop, where a failing BCM turns a reliable truck into a headache. Questions like “why is my Sierra Denali 3500 door locks not working” or “how to fix airbag light in 2013 GMC Sierra BCM” flood in from frustrated owners. The solution? This OEM-spec GM Body Control Module, interchangeable with 15878753 and others like 25844480 or 25835966, arrives pre-programmed to your exact VIN for seamless integration. It handles everything from lights and wipers to security and climate controls in 2007-2013 GM trucks and SUVs, including your Sierra Denali 3500. Drawing from over two decades of diagnostics, I can tell you this isn’t just a swap—it’s a restoration of reliability, preventing those cascading electrical failures that start with a simple ground issue and escalate to full system shutdowns.
Common Issues & How This Fixes Them
A malfunctioning BCM in your 2013 GMC Sierra Denali 3500 often shows up as erratic HVAC behavior, like the blower cutting out mid-drive, caused by degraded internal circuits losing communication with sensors. Then there’s the airbag warning light popping on with codes like DTC B1001, stemming from corrupted data links that this pre-programmed module resets instantly. Electrical gremlins—non-responsive power windows, flickering lights, or door locks that fail—trace back to faulty relays within the BCM, which our unit replaces with robust OEM components for steady performance. Security glitches, such as random stalling or no-start due to anti-theft mismatches, get resolved through VIN-specific programming that aligns seamlessly without dealership visits. In real scenarios, like towing heavy loads where grounding problems amplify, this fix eliminates misfires and diagnostic trouble codes tied to body functions, ensuring your truck runs smoothly. Beyond basics, consider how moisture ingress from off-road use accelerates BCM failure; our module’s enhanced sealing counters that, reducing long-term risks in demanding conditions.
Key Features & Benefits
- Starts with VIN-matched programming using current GM software, delivering plug-and-play ease that clears common DTCs right away and skips extra setup.
- Boosts overall vehicle reliability by managing core systems like wipers, lights, and locks, cutting down on intermittent failures for safer daily drives.
- Comes with a solid one-year warranty, built to strict OEM specs for enduring tough jobs in your Sierra Denali 3500.
- Offers wide interchangeability with numbers including 15263363, 15263497, 15284816, and more, making it a versatile choice for repairs.
- Includes no core charge, so you retain your old part without hassle, simplifying the process for DIYers or pros.
- Prevents future issues by addressing root causes like poor grounds, with expert support from Highway 71 Auto Parts for any questions.
Easy Installation Guide
- Provide your VIN during purchase to ensure precise programming tailored to your 2013 GMC Sierra Denali 3500.
- Locate the BCM under the steering column—disconnect the battery first for safety to avoid electrical shorts.
- Remove the old module by unplugging connectors and unbolting it; install the new one in reverse, taking about 5 minutes.
- Reconnect the battery and test functions like lights and windows; check for any lingering codes with a scanner.
- If no-start occurs post-install, perform a theft relearn: Insert key, turn to ON for 10 minutes, off for 5 seconds, repeat three times until security light goes off.
- For persistent airbag lights (e.g., DTC B1001), use a diagnostic tool to run the ‘Setup SDM Primary Key in BCM’ procedure; some models may need brake pedal recalibration—consult your manual or a tech for vehicle-specific steps to maintain braking safety.
Fitment Details
Compatible with:
2013 GMC SIERRA DENALI 3500
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let BCM troubles sideline your 2013 GMC Sierra Denali 3500 any longer—grab this pre-programmed module today for restored functionality and peace of mind. With fast shipping and our expert backing at Highway 71 Auto Parts, you’re back on the road quickly. Order now and experience the difference!