Restore Peak Performance to Your Truck
Is your truck suffering from baffling electrical gremlins, a persistent check engine light, or unpredictable performance? A failing Powertrain Control Module (PCM) can be the hidden culprit, leaving you stranded and frustrated. This isn’t just an inconvenience; it’s a matter of reliability and safety. Take back control with our professionally programmed 2004-2006 Canyon Powertrain Control Module, the definitive solution to restore your vehicle’s heart and soul. We flash this unit with the latest official GM software, tailored specifically to your vehicle’s VIN, ensuring a seamless, plug-and-drive installation that gets you back on the road with confidence.
Warning Signs Your PCM Needs Attention
A vehicle’s PCM is its central computer, managing everything from fuel mixture and ignition timing to transmission shifting. When it falters, the symptoms can be widespread and confusing. Here’s what to look for:
- ✔ Check Engine Light: Persistent illumination, especially with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (PCM Processor Fault).
- ✔ Erratic Engine Behavior: Experiencing rough idling, stalling for no reason, hesitation during acceleration, or a noticeable drop in fuel economy.
- ✔ Transmission Problems: Harsh or delayed shifting can often be traced back to a faulty PCM sending incorrect signals.
- ✔ No-Start Condition: The engine cranks but refuses to start, even with a good battery and starter. This can indicate a complete PCM failure.
- ✔ Failed Emissions Test: An improperly functioning module can prevent your vehicle from passing mandatory smog checks.
A Mechanic’s Tale: The Ghost in the Machine
I once had a 2005 Colorado in the bay that was driving its owner crazy. It would stall randomly at red lights, but then start right back up. We checked the fuel pump, sensors, and wiring, but everything tested fine. On a hunch, I monitored the PCM data stream during a long test drive. Right before a stall, the data would go haywire for a split second. The internal processor was failing intermittently under heat. We installed a VIN-programmed PCM, and the truck ran like new. It’s a perfect example of how a failing computer can mimic a dozen other mechanical problems.
Effortless Steps 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 guided steps for a successful installation:
- Safety First: Always begin by disconnecting the negative terminal on your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: On most of these trucks, you’ll find the PCM mounted on the right-hand (passenger side) of the firewall in the engine bay.
- Disconnect and Remove: Carefully unplug the electrical harness connectors. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
- Install Your New PCM: Mount the new module securely in place. Reconnect the harness connectors, ensuring they click firmly into position.
- Power Up: Reconnect the negative battery terminal. The vehicle may require a security relearn procedure (often called a CASE relearn) for full communication, which can be performed by many local shops or with a capable scan tool.
Tailored Fit for Your Ride
This 2004-2006 Canyon Powertrain Control Module is a direct-fit replacement for a wide range of GM trucks and SUVs, ensuring broad compatibility. Please verify your vehicle is on this list:
- CANYON: 2004-2006
- COLORADO: 2004-2006
- HUMMER H3: 2006
- RAINIER: 2006 (4.2L)
- TRAILBLAZER & TRAILBLAZER EXT: 2006 (4.2L)
- 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 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.
Frequently Asked Questions
How do I provide my VIN number?
After completing your purchase, simply reply to your order confirmation email with your vehicle’s 17-digit VIN. You can also add it to the ‘notes’ section during checkout. We cannot ship your part until we receive this information.
Is any additional programming needed after installation?
Our module comes fully programmed to your VIN. However, some GM vehicles may require a Crankshaft Variation Relearn (CASE Relearn) and a security relearn to sync with your specific vehicle. This is a simple procedure that can be done with a capable bidirectional scan tool.
Will this fix my specific problem?
This module will resolve issues directly caused by a failing PCM, such as internal processor faults (P0601, P0606) and communication errors. It will not fix problems related to other faulty sensors, wiring, or mechanical components on your vehicle.
My original part number isn’t on the list, but my vehicle is. Will this work?
The part numbers listed are the most common interchanges. GM often supersedes part numbers. As long as your vehicle’s year, make, and model are listed, we can program this module to function perfectly for your application using your VIN.
What is your warranty policy?
We stand behind our work. All of our programmed modules come with a comprehensive warranty that covers any defects in the part or the programming. Please see our warranty page for full details and peace of mind.