2009 – 2012 Chevrolet Traverse Body Control Module (BCM) 20921436 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with erratic power windows in your 2009-2012 Chevrolet Traverse during a rainy drive, or wondered why your interior lights flicker without warning? These frustrations often stem from a failing Body Control Module, disrupting everything from door locks to lighting systems. As a seasoned mechanic who’s diagnosed countless GM vehicles, I’ve seen how a faulty BCM can turn a reliable family SUV into a headache, especially on long trips. Our pre-programmed BCM, part number 20921436, arrives ready for your exact VIN, flashed with the latest GM updates to restore seamless operation. This direct replacement clears persistent DTC codes like P0601 or U0140, enhancing overall vehicle reliability without the guesswork. Compatible with various GM models including Equinox, Impala, Acadia, and more—check the full list below for precise fits. By addressing root causes like corrosion or electrical shorts, this module not only fixes immediate issues but also prevents future breakdowns, saving you time and costly repairs.
Common Issues & How This Fixes Them
In my years fixing Traverses, I’ve encountered owners puzzled by symptoms like non-responsive key fobs or random alarm activations—classic signs of BCM failure. One common problem is intermittent electrical glitches, often triggered by moisture ingress in the left-hand dash area where the module sits. This can lead to dashboard warning lights staying on, draining your battery overnight. Another issue: faulty communication with other systems, causing DTC codes that affect anti-theft features or even HVAC controls. For instance, if you’re towing a trailer in your Traverse, a bad BCM might compromise brake light signals, risking safety on highways.
Replacing with our VIN-specific BCM resolves these by recalibrating network protocols, ensuring modules talk properly and clearing error codes effectively. I’ve advised clients facing no-start conditions post-rain; swapping the module often restores functionality, improving towing reliability and daily drivability. Plus, it tackles power distribution problems, like windows that won’t roll down, by stabilizing voltage outputs. Always scan for codes first—tools like an OBD-II reader help pinpoint if the BCM is the culprit, avoiding unnecessary part swaps.
Key Features & Benefits
- Arrives fully programmed using your VIN for plug-and-play installation, matching GM’s latest software to eliminate compatibility headaches.
- Supports a wide array of part numbers including 10382479, 15093910, and more, ensuring broad fitment across models like Tahoe or Savana vans.
- Boosts system reliability by clearing DTC codes and stabilizing electrical functions, ideal for high-mileage Traverses facing harsh weather.
- Comes with a one-year warranty, giving peace of mind for family haulers or work vehicles without any core return hassles.
- Enhances safety features like airbag readiness, with post-install procedures to reset warnings and recalibrate brakes for optimal performance.
- Reduces diagnostic time—I’ve seen it cut repair shop visits in half by providing a pre-flashed solution straight from the box.
Easy Installation Guide
- Provide your VIN after purchase so we can program the BCM with the newest GM updates before shipping.
- Disconnect the battery to ensure safety, then locate the BCM in the left-hand dash area of your Traverse.
- Remove the old module by unplugging connectors and unbolting it—note any corrosion for future prevention.
- Install the new BCM, reconnect everything securely, and reconnect the battery.
- Perform post-replacement steps: Use a diagnostic tool for the ‘Setup SDM Primary Key in BCM’ to reset the airbag light.
- If needed, recalibrate the brake pedal for proper braking response—consult your manual or a tech if unsure, as steps vary by model.
Fitment Details
Compatible with:
2009 – 2012 Chevrolet Traverse
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let a glitchy BCM sideline your Traverse—grab this pre-programmed replacement today to regain smooth, reliable performance. Order now and drive with confidence, knowing you’ve got expert-backed support.