Restore Your Truck’s Heartbeat and Drive with Confidence
Is your GMC Canyon or Colorado suddenly acting up? Are you battling a persistent check engine light, rough idling, or frustrating stalling that leaves you stranded? These aren’t just annoyances; they’re signs that the brain of your engine, the Powertrain Control Module (PCM), may be failing. Don’t let a faulty computer dictate your day. This direct-fit, professionally programmed PCM is the definitive solution to restore your truck’s performance, reliability, and your peace of mind.
We take the guesswork and complexity out of the repair. Simply provide your vehicle’s VIN during checkout, and our experts will flash this module with the latest, most stable GM-certified software specific to your truck. It arrives at your doorstep ready to install, eliminating the need for expensive dealership programming or specialized tools. This is more than just a part; it’s a promise of a smooth-running engine and worry-free drives.
Is Your Truck Trying to Tell You Something?
A failing PCM can manifest in confusing ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer needs attention:
- ✔ Persistent Check Engine Light (CEL) that won’t go away.
- ✔ Diagnostic Trouble Codes (DTCs) related to module communication, such as U0100, or sensor circuits.
- ✔ Unexplained drops in fuel economy.
- ✔ Rough or erratic engine idling.
- ✔ Hesitation or stumbling during acceleration.
- ✔ The engine cranks but refuses to start.
- ✔ Automatic transmission shifting harshly or at the wrong times.
Guided Installation to Restore Peak Performance
Replacing your 2004-2006 Canyon PCM is a straightforward job you can tackle with basic hand tools. Follow these steps for a successful installation and get back to enjoying your truck.
- Safety First: Always disconnect the negative terminal of your vehicle’s battery and wait at least 15 minutes to allow the system to fully discharge. This prevents electrical shorts and protects the new module.
- Locate the Old PCM: On most of these models, the PCM is located on the right-hand (passenger side) of the firewall in the engine bay. It’s a silver box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed PCM onto the bracket. Securely reconnect the electrical harnesses, ensuring each plug is fully seated and the locking tabs click into place.
- Reconnect Power: Re-attach the negative battery terminal and tighten it.
- Final Steps: Your vehicle may require a security relearn procedure, which can typically be done without special tools. Turn the key to the ‘ON’ position for 10-15 minutes, then ‘OFF’ for 10 seconds, and repeat two more times. After this, your truck should start and run smoothly with its new brain.
From the Mechanic’s Bay: A Story of a Stubborn Stall
“We had a 2005 Colorado in the shop that was driving its owner crazy. It would stall randomly at red lights, but never threw a consistent code. We checked everything—fuel pump, sensors, wiring—and couldn’t find the culprit. On a hunch, we swapped in one of our pre-programmed PCMs. The change was instant. The idle smoothed out, the throttle response sharpened, and the stalling completely vanished. The owner called a week later, overjoyed that he could finally trust his truck again. It’s amazing how this single component can restore total vehicle confidence.”
Guaranteed Compatibility for Your Vehicle
This module is a direct replacement for a wide range of GM vehicles and part numbers, ensuring a perfect fit and function. Please verify your model and year below. This computer is compatible with part numbers: 12569773, 12588650, 12589311, 12589585, 12591647, 12591648, 12593531, 12593532, 12594430, 12594431, 12596783, 12596784, 12597521, 12597776, 12597777, 12600818, 12604438, 12604439, 12606369, 12606373, 12606374, 12606398, 12606399, 19209820, 19209821.
- GMC Canyon: 2004, 2005, 2006 (Electronic Control Module; RH firewall)
- Chevrolet Colorado: 2004, 2005, 2006 (Electronic Control Module; RH firewall)
- Hummer H3: 2006 (Electronic Control Module; RH firewall)
- Buick Rainier: 2006 (Electronic Control Module; 4.2L, LH engine)
- Chevrolet Trailblazer / EXT: 2006 (Electronic Control Module; 4.2L, LH engine)
- GMC Envoy / XL: 2006 (Electronic Control Module; 4.2L, LH engine)
- Isuzu Ascender: 2006 (Electronic Control Module; 4.2L, LH engine)
- Isuzu I-280 / I-350: 2006 (Electronic Control Module; RH firewall)
- Saab 9-7x: 2006 (Electronic Control Module; 6 cylinder, LH engine)
Order your pre-programmed 2004-2006 Canyon PCM today and rediscover the smooth, reliable performance your truck was built for. It’s the smart, simple, and effective way to solve complex engine problems.
Do I need to do any programming myself?
No. We handle all the programming for you before shipment. We use your vehicle’s VIN to load the correct, updated GM software, so it’s ready for installation right out of the box.
What is a security relearn procedure?
This is a simple process that syncs the new PCM with your vehicle’s anti-theft system. For most GM vehicles of this era, it involves cycling the ignition key as described in the installation guide and does not require any special tools.
Will this fix my specific problem?
This PCM is the solution for a wide array of electrical and performance issues stemming from a faulty module. If you’re experiencing symptoms like a persistent check engine light, stalling, or communication error codes, a failing PCM is the most likely cause.
How do I provide my VIN?
You can enter your Vehicle Identification Number (VIN) during the checkout process. Please double-check it for accuracy, as this is critical for correct programming.
Is this a used part?
This is a high-quality, inspected, and tested component that has been professionally prepared for your vehicle. Each module is verified to meet or exceed original equipment specifications for performance and longevity.