2008 – 2012 GMC SAVANA 3500 Body Control Module (BCM) 20864768 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with your 2008-2012 GMC Savana 3500 suddenly losing power to the lights or doors locking erratically during a long haul? As a seasoned mechanic who’s seen countless vans like yours in the shop, I know how frustrating it is when electrical glitches halt your workday. Questions like “why does my Savana 3500 have intermittent BCM failures?” or “how to resolve dashboard warning lights in a 2008-2012 GMC van?” often point to a faulty body control module. This pre-programmed BCM, part number 20864768, arrives ready for your specific VIN, flashed with the latest GM updates to eliminate those headaches. It matches a wide range of compatible numbers including 10382479, 15093910, and others up to 95151084, ensuring broad fitment across GM models. By swapping in this unit, you’ll restore seamless control over features like power windows, anti-theft systems, and climate functions, boosting overall vehicle reliability. In my experience, this fix not only clears persistent DTC codes but also enhances towing stability for heavy-duty tasks, preventing breakdowns that could cost you time and money.
Key Features & Benefits
- Pre-flashed with GM’s newest software updates using your VIN for exact match, eliminating guesswork and ensuring immediate functionality.
- Comes with a solid one-year warranty, giving you peace of mind against defects in demanding van applications.
- No core charge needed, so you save on upfront costs while getting a reliable replacement that improves electrical system efficiency.
- Supports multiple GM vehicles, from Express vans to Tahoes, with cross-compatibility that simplifies sourcing for fleet owners.
- Helps clear trouble codes like those related to lighting or security, restoring smooth operation and potentially improving fuel economy through optimized controls.
- Built to OEM specs, it enhances safety features such as airbag readiness, crucial for commercial use in varying weather conditions.
Common Issues & How This Fixes Them
In the 2008-2012 GMC Savana 3500, BCM problems often manifest as unpredictable electrical behaviors that disrupt daily operations. One common headache is intermittent power loss to accessories—think headlights flickering or wipers failing during rainstorms, usually caused by corroded internal circuits from moisture exposure in work vans. This replacement BCM resolves it by providing fresh, updated circuitry that withstands harsh environments, preventing recurrence and improving visibility for safer night drives. Another issue: security system malfunctions, where doors won’t lock or the alarm triggers falsely, stemming from software glitches or voltage spikes. Our pre-programmed unit, matched to your VIN, recalibrates these systems, clearing related DTC codes and restoring theft deterrence without ongoing errors. Dashboard warning lights, especially airbag indicators, frequently appear due to communication failures between modules; this fix integrates seamlessly, allowing proper resets to ensure passenger safety. From my shop days, I’ve seen towing reliability suffer when BCM faults cause erratic trailer connections—replacing it stabilizes signals, aiding heavy loads. Lastly, erratic climate control, like AC blowing hot air inconsistently, often ties back to BCM relay issues; this part optimizes those controls, enhancing comfort on long routes. Overall, it delivers a comprehensive solution, drawing on GM’s latest fixes for lasting performance.
Easy Installation Guide
- Provide your VIN after purchase so we can program the BCM specifically for your 2008-2012 GMC Savana 3500 before shipping.
- Disconnect the battery to ensure safety, then locate the BCM in the center dash area—consult your manual for exact positioning.
- Remove the old module by unplugging connectors and unbolting it carefully, avoiding damage to surrounding wiring.
- Install the new BCM by securing it in place and reconnecting all plugs firmly.
- Reconnect the battery and perform any necessary relearns: For theft system, only if no-start occurs, cycle the key from off to on (without starting) 3 times, waiting 10 minutes each cycle.
- Reset the airbag warning light via the ‘Setup SDM Primary Key in BCM’ procedure with a diagnostic tool; also, recalibrate the brake pedal if your model requires it for optimal braking.
Fitment Details
Compatible with:
2008 – 2012 GMC SAVANA 3500
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let BCM woes sideline your Savana 3500 any longer—grab this pre-programmed replacement today to reclaim reliable performance and avoid costly downtime. With expert flashing and a one-year warranty, it’s the smart choice for van owners tackling heavy-duty jobs. Order now from Highway71AutoParts.com and get back on the road with confidence.