End the Guesswork and Restore Your Truck’s Performance
There’s nothing more frustrating than a vehicle you can’t rely on. If your 2006 Isuzu I-350 is suffering from a persistent Check Engine Light, erratic shifting, poor fuel economy, or even a no-start condition, the root cause is often a failing Powertrain Control Module. This isn’t just a part; it’s the brain of your engine and transmission. Our replacement PCM is the definitive, hassle-free solution to get your truck running like new again, providing the reliability you need for work, family, and everything in between.
We take the complexity out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our expert technicians will flash this module with the latest, most stable GM-certified software specific to your Isuzu. It arrives at your doorstep ready to install, eliminating the need for expensive dealership programming or specialized tools. It’s time to regain that worry-free drive and the confidence that your truck will perform flawlessly every time you turn the key.
Warning Signs and Lasting Benefits
A failing PCM can manifest in confusing ways. Here’s how to know if it’s time for a replacement and the benefits you’ll experience with our pre-programmed unit:
- ✔ Eliminate Stubborn DTCs: Finally clear codes like P0601, P0606, or other communication errors that point to internal module failure.
- ✔ Restore Smooth Shifting: Corrects harsh or delayed gear changes by re-establishing clear communication between the engine and transmission.
- ✔ Improve Engine Performance: Fixes issues like rough idling, stalling, and hesitation for a smoother, more responsive driving experience.
- ✔ Boost Fuel Efficiency: A properly functioning PCM ensures the optimal air-fuel mixture, restoring your truck’s original MPG.
- ✔ Pass Emissions Testing: Resolves module-related issues that cause automatic smog test failures.
- ✔ True Plug-and-Play Solution: With VIN-specific programming done before shipping, you can get back on the road faster.
An Expert’s Note: The Diagnostic Dead End
“I once worked with a customer who had spent months and hundreds of dollars replacing sensors on his truck. He was chasing a ghost—an intermittent stalling issue that no one could pinpoint. The codes were inconsistent. Finally, we scoped the PCM’s outputs and found they were dropping out randomly. We installed a pre-programmed module, and the problem vanished instantly. It was a powerful reminder that sometimes the issue isn’t the soldier, it’s the general. A healthy PCM is the foundation of a reliable vehicle.”
Effortless Steps for a Confident Fix
Installing your new 2006 Isuzu I-350 PCM is a straightforward process you can handle with basic tools. Follow these steps for a successful installation:
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to ensure all systems are powered down.
- Locate the Old Module: On your Isuzu I-350, the PCM is typically located on the right-hand (passenger side) of the firewall in the engine bay.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that may need to be gently pried or squeezed. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New PCM: Mount your new, pre-programmed PCM in the same location. Securely reconnect the electrical harnesses, ensuring they click into place.
- Reconnect Power: Reattach the negative battery terminal and tighten it.
- Final Sync: In many cases, you may need to perform a simple security relearn procedure, which involves cycling the key in the ignition. Instructions are included, but it typically takes about 30 minutes and requires no special tools.
Tailored Fit for Your Ride
This module is a direct-fit replacement for a wide range of GM vehicles, ensuring perfect compatibility. Please verify your part number or vehicle in the list below. This computer is compatible with the following 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.
- CHEVROLET COLORADO: 2004-2006 (RH firewall)
- CHEVROLET TRAILBLAZER & TRAILBLAZER EXT: 2006 (4.2L, LH engine)
- GMC CANYON: 2004-2006 (RH firewall)
- GMC ENVOY & ENVOY XL: 2006 (4.2L, LH engine)
- BUICK RAINIER: 2006 (4.2L, LH engine)
- HUMMER H3: 2006 (RH firewall)
- ISUZU ASCENDER: 2006 (4.2L, LH engine)
- ISUZU I-280: 2006 (RH firewall)
- ISUZU I-350: 2006 (RH firewall)
- SAAB 9-7X: 2006 (6 cylinder, ID 12569773 or 12597521, LH engine)
Frequently Asked Questions
Frequently Asked Questions
What exactly does a PCM do?
The Powertrain Control Module (PCM) is your vehicle’s central computer. It controls everything from the engine’s fuel injection and ignition timing to the transmission’s shift points, ensuring optimal performance, fuel economy, and emissions.
Is this module truly plug-and-play?
Yes! Because we program it with your vehicle’s specific VIN number before shipping, it arrives ready to be installed without requiring a trip to the dealership for additional programming. A simple security relearn procedure may be necessary, which you can do yourself.
How do I provide my VIN?
After you complete your purchase, you can send us your 17-digit VIN through the messaging system or include it in the ‘notes to seller’ section during checkout. We cannot ship your part until we receive this information.
What if my original part number isn’t on the list?
The part numbers listed are interchangeable. As long as your vehicle’s year, make, and model are listed in the compatibility chart, this module will be the correct replacement, even if your original number differs slightly.
Will I need to perform a security relearn procedure?
Most GM vehicles of this era require a security relearn (also known as a VATS relearn) to sync the new PCM with your key’s anti-theft chip. It’s a simple process that takes about 30 minutes and involves cycling the key. We include easy-to-follow instructions with your order.