Restore Your Truck’s Performance and Reliability
Is your Chevrolet Colorado or GMC Canyon suffering from frustrating issues like a persistent check engine light, rough idling, poor fuel economy, or even a no-start condition? The Powertrain Control Module (PCM) is the central computer of your vehicle, and when it fails, it can cause a cascade of problems that leave you stranded and stressed. This is your direct, reliable solution. We provide a fully tested PCM, programmed with the latest GM software updates specifically for your vehicle’s VIN. This isn’t just a replacement part; it’s a restoration of your truck’s original performance and your peace of mind on the road.
Warning Signs and How to Overcome Them
A failing PCM can manifest in many ways. This unit is the definitive solution for symptoms including:
- ✔ Check Engine Light: Specifically for internal module fault codes like P0601, P0606, or other communication errors.
- ✔ Erratic Engine Behavior: Solves issues like stalling, stumbling, or inconsistent acceleration that make driving unpredictable.
- ✔ Transmission Problems: Corrects harsh or delayed shifting that originates from faulty PCM signals.
- ✔ No-Start Condition: If the injectors or ignition coils aren’t firing correctly due to a bad module, this will restore proper function.
- ✔ Reduced Fuel Efficiency: Regain your truck’s optimal MPG by ensuring the engine receives precise fuel and timing commands.
Guided Installation to Restore Peace of Mind
Installing your pre-programmed 2004-2006 Colorado PCM is a straightforward process designed to get you back on the road quickly. While every vehicle is slightly different, here is a general guide to help you through the process confidently.
- Safety First: Begin by disconnecting the negative terminal on your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: On most 2004-2006 Colorado and Canyon models, the PCM is located on the right-hand (passenger) side of the firewall in the engine bay.
- Disconnect the Old Unit: Carefully unplug the electrical connectors from the old PCM. There are typically release tabs that need to be pressed or lifted. Avoid forcing them.
- Swap the Modules: Unbolt the old module from its mounting bracket and set it aside. Mount your new, pre-programmed PCM in its place.
- Reconnect and Power Up: Securely plug the wiring harnesses into the new module. You should hear a click as they lock in place. Reconnect the negative battery terminal.
- Security Relearn: In many cases, you will need to perform a security relearn procedure. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then ‘OFF’ for 10 seconds, and repeating this cycle three times. This allows the vehicle’s anti-theft system to recognize the new PCM.
Expert Diagnostic Tip
Before replacing your PCM, always perform a thorough check of your vehicle’s battery, alternator, and primary ground wires. A weak battery or a corroded ground connection can mimic PCM failure by causing voltage drops and communication errors. A few minutes with a multimeter can save you from replacing a part that isn’t faulty, ensuring you’re fixing the true root of the problem.
Tailored Fit for Your Ride
This module is a direct-fit replacement for a wide range of GM trucks and SUVs. We program it using your VIN to ensure it works perfectly with your vehicle’s specific options. It is compatible with the following models:
- Chevrolet Colorado: 2004-2006
- GMC Canyon: 2004-2006
- Hummer H3: 2006
- Buick Rainier: 2006 (4.2L)
- Chevrolet Trailblazer & Trailblazer EXT: 2006 (4.2L)
- GMC Envoy & Envoy XL: 2006 (4.2L)
- Isuzu Ascender: 2006 (4.2L)
- Isuzu i-280: 2006
- Isuzu i-350: 2006
- Saab 9-7x: 2006 (6 cylinder)
This unit replaces a long list of original part numbers, including 12569773, 12597521, 12606374, and more. If your part number is in the list provided, this is the correct module for you.
By ordering this pre-programmed 2004-2006 Colorado PCM, you’re not just buying a part—you’re investing in a reliable, worry-free driving experience. Eliminate the guesswork and get your truck running the way it was meant to.
Frequently Asked Questions
What does ‘VIN Programmed’ mean?
It means we load the module with your vehicle’s specific factory software using its unique 17-digit Vehicle Identification Number (VIN). This ensures the PCM communicates correctly with your engine, transmission, and other onboard systems, just like the original unit did.
Is any additional programming required after installation?
In most cases, no. Our programming covers the engine and transmission operation. However, you will likely need to perform a simple ‘security relearn’ procedure, which syncs the new PCM with your vehicle’s anti-theft system. This can typically be done at home without special tools.
Do I need to send my old PCM back?
No core charge or return is required for this part. You can keep or dispose of your old module at your convenience.
My original part number isn’t on your list, but my vehicle is. Will this work?
Our list covers the most common compatible part numbers. If your vehicle make, model, and year match our fitment list, this module is very likely the correct one, as GM often supersedes part numbers. Please contact us with your VIN, and we can verify compatibility for you.
What is the warranty on this part?
This PCM comes with a standard warranty that covers any defects in the module itself. Please refer to our store’s warranty policy page for complete details and duration.