Programmed GM Powertrain Control Module PCM 12602802

Restore Peak Performance to Your GM Truck or SUV

Is your Silverado, Sierra, Tahoe, or other GM vehicle suffering from perplexing issues like a persistent check engine light, erratic shifting, poor fuel economy, or even a no-start condition? The problem often lies with a failing Powertrain Control Module (PCM), the central computer responsible for managing your engine and transmission. This replacement PCM, part number 12602802, is the definitive solution to restore your vehicle’s reliability and driveability.

Unlike a standard replacement part from a local store, this module arrives at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN). We install the latest GM-certified software updates before shipping, ensuring optimal performance and compatibility. This eliminates the need for an expensive trip to the dealership for programming, saving you time and money and getting you back on the road faster.

Is Your GM Powertrain Control Module Failing?

A faulty PCM can manifest in numerous ways, often intermittently, making diagnosis a challenge. If your vehicle is experiencing any of the following symptoms, a failing computer could be the culprit. This direct replacement part is engineered to solve these common issues.

• ✔ Persistent Check Engine Light (CEL) with various communication or sensor codes.
• ✔ Vehicle refuses to start or stalls intermittently.
• ✔ Harsh or erratic automatic transmission shifting.
• ✔ A noticeable drop in fuel efficiency.
• ✔ Rough idling or engine misfires.
• ✔ Failure to pass emissions testing.
• ✔ Inaccurate or non-functioning dashboard gauges.

The VIN Programming Advantage

The key to a successful and simple repair is our professional VIN programming service. When you order, you provide us with your vehicle’s VIN. Our technicians then use this information to load the exact factory software and calibrations for your specific make, model, engine, transmission, and emissions equipment. This ensures that once installed, the module communicates flawlessly with all other systems in your vehicle. In most cases, after a simple security relearn procedure (which you can do yourself), your vehicle will start and run correctly. This plug-and-play approach is designed for both professional technicians and savvy DIYers.

This module is a direct replacement for multiple service numbers, including 89017750, 12582605, 12589463, 12602802, 89017734, and 28042802. Please use the extensive fitment list to confirm compatibility with your specific vehicle.