2002 Avalanche 2500 Engine Control Module 52369718 Programmed To Your VIN

Restore Peak Performance to Your 2002 Chevy Avalanche 2500

Is your truck suffering from a check engine light that won’t go away, erratic shifting, poor fuel economy, or a frustrating no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the central computer that manages your vehicle’s engine and transmission. A faulty PCM can disrupt everything from fuel injection timing to transmission shift points, making your reliable truck feel unpredictable and unsafe. Don’t let a bad module keep you off the road. This direct-fit replacement PCM is the definitive solution to get your Avalanche 2500 running like new again.

This isn’t just a generic, off-the-shelf part. We provide a complete, ready-to-install solution. Upon purchase, you simply provide us with your vehicle’s VIN. Our technicians then program the module with the very latest, most stable software updates directly from GM. This ensures perfect compatibility with your truck’s specific configuration and often corrects underlying drivability issues that were present even in the original factory programming. By handling the complex flashing process for you, we eliminate the need for an expensive trip to the dealership for programming.

Diagnosing a Faulty 2002 Avalanche 2500 PCM

Identifying a failing computer can be tricky, as its symptoms often overlap with other component failures. However, if your truck is experiencing a combination of the following issues, the PCM is a very likely culprit. This replacement module is designed to resolve these problems and restore the precise, factory-intended operation of your vehicle.

• ✔ Persistent Check Engine Light (CEL) with communication-related codes (e.g., P0601, P0605, P0606) or multiple unrelated sensor codes.
• ✔ Unexplained stalling or rough, inconsistent idling.
• ✔ Harsh or delayed transmission shifting, or getting stuck in one gear.
• ✔ A noticeable, sudden drop in fuel mileage.
• ✔ Engine cranks but refuses to start, despite having fuel and spark.
• ✔ Inability for a diagnostic scan tool to communicate with the module.
• ✔ Intermittent electrical issues affecting gauges or other systems.

Plug-and-Play Installation

Because this module arrives pre-programmed for your specific 2002 Avalanche 2500, installation is straightforward. Located on the driver’s side of the engine bay under the battery tray, the PCM can be swapped with basic hand tools. Once installed, you may need to perform a simple security relearn procedure (often called a CASE relearn), which can typically be done without special tools and ensures the new PCM communicates correctly with your vehicle’s anti-theft system. This process is simple and instructions are widely available.

Guaranteed Compatibility

This module is a direct replacement for a wide range of GM trucks and SUVs from the 2001-2002 model years. It is fully compatible with original equipment part numbers 12200411, 12201281, 12576160, and 52369718. We guarantee this part will fit and function correctly in the following vehicles, among others:

• 2002 Chevrolet Avalanche 1500 & 2500
• 2001-2002 Chevrolet Silverado & GMC Sierra 1500/2500/3500 (Gasoline)
• 2001-2002 Chevrolet Tahoe & Suburban
• 2001-2002 GMC Yukon & Yukon XL
• 2002 Cadillac Escalade & Escalade EXT
• 2001-2002 Chevrolet Express & GMC Savana Vans (Gasoline)
• And many more models listed in the fitment guide.