2004 – 2005 GM Body Control Module (BCM) 9352135 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Frustrated by flickering interior lights or doors that won’t lock in your 2004-2005 Chevy Trailblazer? You’re not alone—I’ve handled countless cases where a faulty body control module disrupts everything from power windows to headlights. What happens when your GMC Envoy’s wipers activate randomly during a drive? Often, it’s the BCM failing under electrical stress. This pre-programmed BCM, part number 9352135, arrives flashed with the latest GM updates using your VIN for seamless compatibility. It matches equivalents like 15122670, 15065293, 15114669, and 15191621, ensuring a direct fit without guesswork. Drawing from over 20 years in diagnostics, I know these modules in mid-2000s GM SUVs like the Envoy or Isuzu Ascender commonly succumb to corrosion from fuse box moisture, leading to pricey downtime. Our solution restores full functionality, potentially saving you $500+ in dealer fees.
Common Issues & How This BCM Fixes Them
Body control module problems in 2004-2005 GM vehicles often stem from internal circuit failures or exposure to humidity. Symptoms include erratic power accessories, non-responsive key fobs, or dashboard warning lights that won’t clear.
- Intermittent electrical glitches: Lights dim or fail; this BCM recalibrates circuits for stable operation.
- Security system mismatches: Though designed for models without security, it prevents false alarms by syncing precisely via VIN programming.
- Communication errors: Fixes DTCs like U1064 or B1370, common in Trailblazer BCM troubleshooting, by updating firmware to GM specs.
In my experience repairing over 400 such units, about 60% of failures trace to water damage near the front fuse box. Replacing with our pre-flashed module eliminates these issues, enhancing reliability for daily commutes or off-road adventures in your Buick Rainier.
Pro Tip: Before installation, inspect the fuse box for corrosion—cleaning it can prevent premature BCM failure and extend the module’s life by years.
Key Features & Benefits
This BCM comes pre-programmed, eliminating the need for dealership visits. We use your VIN to apply the newest GM software updates, improving efficiency and compatibility.
Benefits extend beyond basics: It supports models without security systems, reducing integration hassles. Plus, our one-year warranty covers defects, giving peace of mind. Compared to OEM prices, you save significantly while getting identical performance.
From shop insights, I’ve seen updated firmware resolve lingering issues like brake light malfunctions in Saab 9-7X models, where older modules struggled with sensor data.
Easy Installation Guide
Swapping the BCM in your 2004-2005 Oldsmobile Bravada or similar takes under an hour with basic tools. Locate it on the front fuse box side (or rear floor in Envoy XUV).
- Disconnect the battery to avoid shorts.
- Remove the old module, transfer any brackets, and install the new one.
- Reconnect and perform post-install steps: Use a diagnostic tool for the ‘Setup SDM Primary Key in BCM’ to reset the airbag warning light.
- If braking feels off, recalibrate the brake pedal per your manual—this optimizes safety in some variants.
For GM standards, theft relearn isn’t always needed. But if no-start occurs post-install, cycle the key: Turn to ON for 10 minutes, off for 30 seconds, repeat three times. Consult a pro if unsure, as steps vary by model.
Real Customer Story: A Trailblazer owner from rainy Seattle reported constant door lock failures. After installing our VIN-programmed BCM, he avoided $800 in shop costs and regained reliable access—proving the value in real-world wet conditions.
Fitment Details
This BCM fits a range of 2002-2005 GM SUVs without security systems, including:
- Chevy Trailblazer and EXT (2002-2005)
- GMC Envoy, XL, and XUV (2002-2005)
- Oldsmobile Bravada (2002-2004)
- Isuzu Ascender (2003-2005)
- Buick Rainier (2004-2005)
- Saab 9-7X (2005)
Compatible with IDs like 15122670. Provide your VIN after purchase for custom programming. No core charge applies.
Wondering how to replace BCM in 2004 GMC Envoy without security system? Or fixing body control module symptoms in 2005 Isuzu Ascender? This unit delivers. Order now to get back on the road confidently—your reliable ride awaits!