2002 – 2006 Chevrolet Avalanche 2500 BCM (Body Control Module) 15137394 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with your 2002-2006 Chevrolet Avalanche 2500 acting up on a long haul, like doors not locking properly or dash lights flickering erratically during a rainstorm? You’re not alone—I’ve seen countless truck owners frustrated by these glitches, often tracing back to a failing Body Control Module. Questions like “why won’t my Avalanche 2500 power windows work intermittently?” or “how to resolve BCM-related DTC codes in a 2005 Chevy Avalanche?” flood my inbox. The fix? Our pre-programmed BCM, part number 15137394, flashed with the latest GM updates using your VIN for a perfect match. It replaces numbers like 10383536, 15116066, and others seamlessly. This isn’t just a swap; it’s a restoration of reliability, clearing persistent trouble codes and enhancing overall electrical stability. In my experience, installing one has turned unreliable rigs into dependable workhorses, especially for towing heavy loads where BCM failures can compromise safety systems.
Key Features & Benefits
- Arrives fully programmed to your exact VIN, ensuring plug-and-play compatibility without dealership visits—saves time and hassle for busy Avalanche owners.
- Incorporates newest GM software flashes, which can clear stubborn DTC codes and boost system responsiveness for smoother daily drives.
- Backed by a solid one-year warranty, giving peace of mind whether you’re off-roading or towing trailers in your 2500 series truck.
- No core charge needed, making this a cost-effective solution compared to sourcing from junkyards or aftermarket unknowns.
- Improves towing reliability by stabilizing body electronics, preventing issues like erratic trailer brake lights during hauls.
- Expertly tested to GM standards, drawing from years of diagnostics to deliver lasting fixes for common electrical gremlins.
Common Issues & How This Fixes Them
In the shop, I’ve diagnosed plenty of 2002-2006 Avalanche 2500s with BCM woes. One classic symptom: intermittent power accessories, where windows or locks fail randomly, often due to water intrusion or corroded connections degrading the module over time. This can strand you mid-trip, especially in wet weather common for these trucks. Another headache is dashboard warning lights staying on, triggered by faulty BCM communication that throws DTC codes like U0140 or B1370, affecting everything from airbags to anti-theft systems. For towing enthusiasts, a bad BCM might cause unreliable trailer connections, leading to safety risks on highways. Then there’s the no-start condition from anti-theft glitches, where the module fails to recognize keys after battery issues. Our pre-programmed BCM resolves these by restoring precise control over body functions, effectively clearing codes and preventing recurrences. From my hands-on fixes, this swap has revived vehicles that dealers deemed “total losses,” improving fuel efficiency indirectly through stable electronics and even enhancing resale value by eliminating nagging electrical faults. If you’re asking “what causes BCM failure in Chevy Avalanche 2500?”—age, moisture, and voltage spikes are culprits, but this unit counters them with updated firmware for long-term durability.
Easy Installation Guide
- Provide your VIN after purchase so we can flash the BCM with the latest GM updates tailored to your Avalanche 2500.
- Disconnect the battery to ensure safety and prevent electrical shorts during the swap—locate the BCM under the steering column.
- Remove the old module by unplugging connectors and unscrewing mounts; compare part numbers to confirm fit.
- Install the new BCM, reconnecting all harnesses securely to avoid loose connections that could trigger new codes.
- Reconnect the battery and perform a theft relearn only if a no-start occurs: Insert key, turn to ON for 10 minutes, off for 5 seconds, repeat three times until the security light goes off.
- After installation, reset the airbag warning light by performing the ‘Setup SDM Primary Key in BCM’ procedure with a qualified diagnostic tool; some models may also need brake pedal recalibration for optimal safety—consult your manual or a pro if unsure.
Fitment Details
Compatible with:
2002 – 2006 Chevrolet Avalanche 2500
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let a faulty BCM sideline your Avalanche 2500 any longer—grab this pre-programmed unit today to reclaim reliable performance and hit the road with confidence. Order now from Highway71AutoParts.com and experience the difference expert-backed parts make.