2001-2002 Tahoe PCM Electronic Control Module 12201281 Programmed to VIN

Is Your 2001-2002 GM Truck or SUV Acting Up?

If you’re behind the wheel of a 2001-2002 Tahoe, Silverado, Sierra, or another GM vehicle from that era, you know it’s a workhorse. But when the Powertrain Control Module (PCM) starts to fail, it can feel like the vehicle has a mind of its own. Over my 20+ years in the shop, I’ve seen these exact symptoms hundreds of times. Does any of this sound familiar?

• ✔ Your truck randomly stalls at a stoplight or while driving.
• ✔ You’re experiencing harsh, erratic shifting or the transmission seems stuck in one gear.
• ✔ The engine cranks but refuses to start, even with a good battery and starter.
• ✔ The check engine light is on with a slew of communication codes (like U-codes) or false sensor codes.
• ✔ You’re dealing with poor fuel economy and a noticeable loss of power.

These aren’t just minor annoyances; they’re signs that the brain of your vehicle—the PCM—is failing. Located under the battery in most of these trucks, the original PCM is subjected to years of intense heat, vibration, and moisture, leading to internal component breakdown. This isn’t a part that gets better with time; it’s a critical component that needs a reliable replacement.

The Real Solution: A Properly Programmed PCM

Simply swapping a used PCM from a junkyard won’t work. In these GM vehicles, the PCM is tied directly to your specific Vehicle Identification Number (VIN). It controls everything from fuel injection and ignition timing to transmission shift points and the anti-theft system (VATS/Passlock). An incorrect module will, at best, not run properly, and at worst, will prevent the vehicle from starting at all.

This is a direct-fit replacement PCM, part number 12201281, that solves the problem the right way. We take the guesswork and the expensive dealership visits out of the equation.

Pre-Programmed for Your Specific Vehicle

This isn’t just a part in a box. It’s a comprehensive solution. When you purchase this module, you provide us with your vehicle’s VIN. We then flash the PCM with the latest, most current software updates directly from GM. This is a critical step many sellers skip.

• ✔ VIN-Specific Programming: Ensures perfect compatibility with your engine, transmission, and all factory options.
• ✔ Latest GM Updates: We load the newest calibration files, which often contain fixes for drivability issues, emissions performance, and transmission logic that weren’t available when your truck was new.
• ✔ Anti-Theft System Ready: The module is prepared to communicate with your vehicle’s security system. In most cases, a simple security relearn procedure (which you can do yourself in 10-15 minutes) is all that’s needed to get you back on the road.
• ✔ No Dealer Visit Required: Save hundreds of dollars and the hassle of having your vehicle towed to a dealership for programming.

Guaranteed Compatibility

This Electronic Control Module is a direct replacement for a wide range of popular GM vehicles. It is fully compatible with the following service numbers. Please verify your original part number matches one of these before ordering:

• ✔ 12200411
• ✔ 12201281
• ✔ 12576160
• ✔ 52369718

This module fits dozens of models, including the 2001-2002 Tahoe, Suburban, Silverado, Sierra, Yukon, Avalanche, as well as various Express/Savana vans, S10/Blazer models, and even the Corvette and Camaro/Firebird. Please refer to the detailed fitment list to confirm your specific application. Restore the performance and reliability of your vehicle with a module that’s ready to install right out of the box.