Restore Your Truck’s Heartbeat and Drive with Confidence
Is your Chevrolet Colorado or GMC Canyon feeling sluggish, unpredictable, or just not itself? The Powertrain Control Module (PCM) is the brain of your vehicle, managing everything from fuel mixture and ignition timing to transmission shifts. When it starts to fail, it can cause a cascade of frustrating and confusing problems. This isn’t just an inconvenience; it’s a matter of reliability. This direct-fit PCM, programmed specifically to your vehicle’s VIN, is the definitive solution to get your truck back on the road, running just as the engineers intended.
Forget the dealership hassle and high costs. We handle the complex programming for you. Simply provide your VIN after purchase, and we’ll flash the module with the latest GM software updates. You’ll receive a unit that’s ready for a straightforward installation, restoring the crisp performance and dependable operation you rely on every day. Regain that worry-free drive, knowing the core of your vehicle’s electronics is solid and stable.
Is a Failing PCM Sidelining Your Truck?
A faulty PCM can manifest in various ways, often mimicking other component failures. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer needs attention:
- ✔ An illuminated Check Engine Light (CEL) with diagnostic trouble codes (DTCs) like P0601, P0602, P0606, or other internal processor errors.
- ✔ Unexplained engine stalling, stumbling, or rough idling that makes driving a chore.
- ✔ A noticeable drop in fuel economy, costing you more at the pump.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ The engine cranks but refuses to start, leaving you stranded.
- ✔ Failure to pass state emissions inspections.
From the Technician’s Bench: The Phantom Misfire
“We had a 2005 Canyon in the shop that was driving the owner crazy. It had a random, intermittent misfire that no one could pin down. Coils, plugs, injectors, and even the fuel pump had been replaced. The truck would run fine for days, then suddenly start bucking and stalling. After exhausting all mechanical possibilities, we focused on the computer. We installed a pre-programmed 2004-2006 Colorado PCM, and the change was immediate. The phantom misfire vanished, the engine idled perfectly, and the owner finally got his reliable work truck back. Sometimes, the problem lies in the brain, not the body.”
Guided Installation to Restore Peak Performance
Replacing your PCM is a manageable job for a confident DIYer. With basic hand tools and a little patience, you can complete this repair and save significantly on labor costs. Follow these steps for a successful installation:
- Safety First: Always begin by disconnecting the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: On your Colorado or Canyon, the PCM is typically located on the right-hand (passenger side) of the firewall in the engine bay.
- Disconnect Wiring: Carefully unplug the electrical connectors from the PCM. There are usually locking tabs that need to be released. Take your time to avoid damaging the pins or clips.
- Remove the Old Unit: Unbolt the old PCM from its mounting bracket. It’s usually held in place by a few small bolts.
- Install the New PCM: Mount your new, pre-programmed module securely onto the bracket.
- Reconnect and Secure: Plug the wiring harnesses back into the new PCM, ensuring they click firmly into place. Reconnect the negative battery terminal.
- Final Steps: In many cases, the vehicle will start and run perfectly. However, some vehicles may require a quick Security Relearn Procedure (often called a Passlock relearn), which can be done without special tools and typically involves cycling the key in the ignition. Instructions are readily available online for your specific model.
Tailored Fitment for Your GM Vehicle
This module is engineered to be a direct replacement for a wide range of GM trucks and SUVs. Please verify your vehicle is on the list below. This unit is the correct solution for a faulty 2004-2006 Colorado PCM and other compatible models.
- CHEVROLET COLORADO 2004-2006 (Electronic Control Module; RH firewall)
- GMC CANYON 2004-2006 (Electronic Control Module; RH firewall)
- HUMMER H3 2006 (Electronic Control Module; RH firewall)
- ISUZU I-280 2006 (Electronic Control Module; RH firewall)
- ISUZU I-350 2006 (Electronic Control Module; RH firewall)
- BUICK RAINIER 2006 (Electronic Control Module; LH engine, 4.2L)
- CHEVROLET TRAILBLAZER 2006 (Electronic Control Module; LH engine, 4.2L)
- CHEVROLET TRAILBLAZER EXT 2006 (Electronic Control Module; LH engine, 4.2L)
- GMC ENVOY 2006 (Electronic Control Module; 4.2L, LH engine)
- GMC ENVOY XL 2006 (Electronic Control Module; LH engine, 4.2L)
- ISUZU ASCENDER 2006 (Electronic Control Module; 4.2L, LH engine)
- SAAB 9-7X 2006 (Electronic Control Module; LH engine, 6 cylinder)
This part is a direct replacement for 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
Is this module truly plug and play?
Yes, for the vast majority of vehicles. We program it with your car’s specific VIN and the latest GM software, so it’s ready to install. In some cases, a simple, tool-free security relearn procedure may be required after installation, which takes about 30 minutes.
How do I provide my VIN?
After you complete your purchase, you will receive an email with instructions, or you can add your VIN to the notes section during checkout. We cannot ship your part until we have this information.
What if my original part number isn’t on the list?
The part numbers listed are the most common, but there are many superseded numbers. If your vehicle model and year match our fitment list, this module will work. Feel free to contact us with your VIN to confirm compatibility.
Do I need to send my old PCM back?
No, there is no core charge or requirement to return your old part. You can recycle it locally at your convenience.
What tools are needed for the installation?
You will typically only need a basic socket set (around 10mm) to remove the mounting bolts and a flathead screwdriver to help release the connector clips. No specialized equipment is required.