Restore Your Truck’s Heartbeat and Performance
Is your GMC Canyon or Chevy Colorado running rough, throwing confusing check engine codes, or refusing to start? The frustration of an unreliable vehicle can disrupt your entire day. The Powertrain Control Module (PCM) is the brain of your truck’s engine and transmission, and when it fails, it can cause a cascade of baffling issues. This isn’t just a part; it’s the key to restoring the dependable performance you rely on. We offer a direct, reliable solution: a genuine GM PCM, professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN), ensuring a seamless and effective repair.
Warning Signs and How to Overcome Them
A failing PCM can manifest in numerous ways. Recognizing these symptoms is the first step toward a confident repair. This module is the definitive solution for:
- ✔ Persistent Check Engine Light (CEL) with communication-related codes (e.g., P0601, P0606, U-codes).
- ✔ Unexplained stalling, rough idling, or hesitation during acceleration.
- ✔ A complete no-start condition where the engine cranks but won’t fire up.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Decreased fuel economy and overall poor engine performance.
- ✔ False readings from other sensors due to internal computer faults.
Guided Installation for a Confident Fix
You don’t need to be a master mechanic to complete this repair. Our pre-programmed module simplifies the process significantly. Follow these steps for a successful installation:
- Safety First: Begin by disconnecting the negative terminal on your vehicle’s battery to prevent any electrical shorts.
- Locate the Old Module: On most 2004-2006 Canyon and Colorado models, the PCM is located on the right-hand (passenger side) of the firewall in the engine bay.
- Disconnect and Remove: Carefully unplug the wiring harness connectors. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
- Install the New PCM: Mount your new, VIN-programmed PCM securely onto the bracket. Reconnect the wiring harnesses, ensuring they click firmly into place.
- Power Up: Reconnect the negative battery terminal. The vehicle is now ready for the final security relearn procedure, which can often be done without special tools.
Tailored Fit for Your GM Truck or SUV
This module is a direct replacement for a wide range of GM vehicles, ensuring perfect compatibility. 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, and 19209821.
- GMC CANYON: 2004, 2005, 2006
- CHEVROLET COLORADO: 2004, 2005, 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)
By ordering this pre-programmed 2004-2006 Canyon PCM, you’re not just buying a part; you’re investing in peace of mind and the renewed confidence that comes from a smooth, reliable vehicle. Let us handle the complex programming so you can enjoy a simple, effective repair.
Frequently Asked Questions
What does ‘VIN Programmed’ mean?
It means we load your vehicle’s unique 17-digit Vehicle Identification Number (VIN) and the latest GM-certified software onto the module before shipping. This ensures the PCM communicates correctly with your truck’s engine, transmission, and security systems, just like the original factory unit.
Will I need to do anything after I install it?
After installation, you will need to perform a security relearn procedure (also known as a Passlock relearn). This syncs the new PCM with your vehicle’s anti-theft system and can typically be done in your driveway with just the ignition key. Instructions are readily available online or we can help guide you.
Is this part truly plug-and-play?
Because it comes programmed to your VIN, it is as close to plug-and-play as possible. The only additional step is the security relearn, which does not require a trip to a mechanic or any specialized scan tools.
Where is the PCM located on my 2005 Colorado?
The PCM is typically mounted to the firewall on the passenger side of the engine compartment. It’s a silver metal box with several large electrical connectors.
What if my original part number isn’t on your list?
The part numbers listed are the most common, but GM often has many superseded numbers. As long as your vehicle is listed in the compatibility chart, this module will be the correct replacement. We program it based on your VIN, which guarantees the right software for your truck’s options.