2006 – 2011 Buick Lucerne Body Control Module (BCM) 20864768 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with your 2006-2011 Buick Lucerne acting up on a rainy drive—lights flickering erratically, doors refusing to lock, or that nagging check engine light that just won’t quit? As a seasoned mechanic who’s seen countless BCM failures in these models, I know how frustrating it can be when electrical gremlins disrupt your daily commute or family road trips. Questions like “Why is my Buick Lucerne BCM causing intermittent power issues?” or “How to fix dashboard warning lights in a 2006 Lucerne?” often lead owners here. This pre-programmed Body Control Module, part number 20864768, directly addresses those woes. It’s flashed with the latest GM updates using your VIN for seamless compatibility, clearing DTC codes and restoring smooth operation. Compatible with a range of GM vehicles including Equinox 07-09, Impala 06-12, Acadia 07-12, and more—check the full list for your fit. By swapping in this module, you’ll regain reliable control over body functions like lighting, security, and climate systems, preventing breakdowns and enhancing overall vehicle reliability. In my experience, this fix not only resolves symptoms but also improves long-term electrical stability, especially in older Lucernes prone to moisture-related shorts.
Common Issues & How This Fixes Them
In the 2006-2011 Buick Lucerne, BCM problems often stem from age, corrosion, or electrical overloads, leading to real headaches. One common issue is erratic interior lighting or power windows that fail intermittently—caused by degraded internal circuits, this can strand you in low visibility or bad weather. Replacing with our pre-programmed BCM restores precise signal processing, eliminating glitches and ensuring consistent performance. Another frequent complaint: security system malfunctions, where alarms trigger falsely or key fobs stop responding, often tied to faulty anti-theft protocols. This module, updated via your VIN, resets those protocols effectively, clearing related DTC codes like P0633 or B1370 for peace of mind. Dashboard warning lights persisting after battery changes? That’s usually a communication breakdown between modules; our BCM integrates flawlessly, resolving errors and improving diagnostic accuracy. I’ve fixed similar cases where owners thought it was a wiring harness issue, but a fresh BCM pinpointed the root cause, saving on unnecessary repairs. For towing enthusiasts with Lucernes, a failing BCM can disrupt trailer light connections— this replacement enhances reliability, preventing roadside failures. Overall, it tackles these by providing updated firmware that boosts module longevity and system harmony.
Key Features & Benefits
- Arrives pre-flashed with GM’s newest software updates matched to your VIN, ensuring plug-and-play readiness without dealership visits.
- Supports multiple interchangeable part numbers like 10382479, 15093910, and more, offering broad compatibility across GM models for flexible repairs.
- Comes with a one-year warranty, giving you confidence in durability and performance, backed by real-world testing in various conditions.
- Eliminates core charges, so you keep your old part without extra fees, simplifying the process for DIYers and shops alike.
- Improves vehicle safety by stabilizing functions like airbag deployment signals and brake light controls, reducing risks during daily drives.
- Enhances fuel efficiency indirectly by optimizing electrical loads, based on my diagnostics where faulty BCMs caused parasitic drains.
Easy Installation Guide
- Provide your VIN after purchase so we can program the BCM specifically for your 2006-2011 Buick Lucerne, ensuring all features align perfectly.
- Disconnect the battery to avoid electrical shocks, then locate the BCM on the right side of the dash—remove any panels carefully with basic tools.
- Unplug the old module and connect the new one, double-checking connectors for secure fits to prevent future issues.
- Reconnect the battery and perform initial tests on lights, locks, and windows to confirm basic functionality.
- Follow post-install steps: Use a diagnostic tool for the ‘Setup SDM Primary Key in BCM’ to reset airbag warning lights, and recalibrate the brake pedal if your model requires it for optimal safety.
- If a no-start condition occurs (rare but possible), initiate theft relearn by cycling the key from off to on three times, waiting 10 minutes each cycle—consult your manual for variations.
Fitment Details
Compatible with:
2006 – 2011 Buick Lucerne
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let BCM troubles sideline your Buick Lucerne any longer—grab this pre-programmed module today to restore reliability and clear those pesky codes. With our VIN-specific flashing and warranty, you’re set for smoother drives. Order now from Highway71AutoParts.com and get back on the road confidently!