Restore Your Truck’s Heartbeat and Drive with Confidence
Is your Isuzu I-350 feeling sluggish, unpredictable, or just not itself? A failing Powertrain Control Module (PCM) can be the hidden culprit behind a host of frustrating issues, from a persistent check engine light to sudden stalling. It’s the brain of your vehicle, and when it’s not functioning correctly, nothing else will. This isn’t just an inconvenience; it’s a matter of reliability and safety. We offer the definitive solution: a professionally programmed PCM, flashed with the latest GM software updates and tailored specifically to your truck’s unique Vehicle Identification Number (VIN). Get back the dependable performance you rely on, day in and day out.
A Technician’s Note
I’ve seen countless DIY mechanics and even seasoned pros chase their tails replacing sensors and wiring, only to find the core issue was the PCM all along. A common symptom is a P0601 (Internal Control Module Memory Check Sum Error) code that won’t clear, no matter what you do. This unit directly resolves those phantom electrical gremlins, saving you time, money, and immense frustration. It’s about making the right diagnosis and getting the right part the first time.
Warning Signs and How to Overcome Them
If your vehicle is exhibiting any of these symptoms, a faulty PCM could be the reason. Replacing it with our pre-programmed unit is the most effective way to restore function and peace of mind.
- ✔ Persistent Check Engine Light (CEL) with codes like P0601, P0602, P0606.
- ✔ Unexplained stalling or rough idling that makes driving stressful.
- ✔ Noticeable decrease 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.
- ✔ Failed emissions testing due to communication errors.
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 to get back on the road quickly.
- Safety First: Always begin by disconnecting the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the Module: On your Isuzu I-350, the PCM is typically found mounted on the right-hand (passenger side) 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 old module from its mounting bracket.
- Install the New Unit: Mount your new, pre-programmed PCM securely onto the bracket. Reconnect the electrical harnesses, ensuring they click firmly into place.
- Power Up: Reconnect the negative battery terminal.
- Final System Check: Start your truck. The check engine light should be off. In some cases, a simple security relearn procedure (often called a ‘key-on/key-off’ cycle) may be required. Your vehicle’s service manual can provide specific steps if needed.
Tailored Fit for Your Ride
This module is a direct-fit replacement for a wide range of GM trucks and SUVs, ensuring perfect compatibility. Please verify your vehicle is on the list below.
- COLORADO 04-06 (RH firewall)
- RAINIER 06 (LH engine, 4.2L)
- HUMMER H3 06 (RH firewall)
- ISUZU ASCENDER 06 (4.2L, LH engine)
- ISUZU I-350 06 (RH firewall)
- TRAILBLAZER & TRAILBLAZER EXT 06 (4.2L, LH engine)
- ENVOY & ENVOY XL 06 (4.2L, LH engine)
- ISUZU I-280 06 (RH firewall)
- SAAB 9-7X 06 (6 cylinder, LH engine)
- CANYON 04-06 (RH firewall)
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
What does ‘pre-programmed to my VIN’ actually mean?
It means we flash the module with the specific software and calibrations for your truck’s exact configuration—engine, transmission, and options. This makes the installation a simple plug-and-drive process, avoiding a costly and time-consuming trip to the dealership for programming.
Will I need to perform a security relearn procedure?
In many cases, no. However, some GM vehicles may require a simple security relearn to sync the new PCM with the anti-theft system. This can usually be done in your driveway in about 30 minutes with just your key and does not require special tools. We can provide instructions if needed.
How do I send you my vehicle’s VIN?
After you complete your purchase, you will receive instructions on how to reply with your 17-digit VIN. We cannot ship your order until we receive this information, as the programming is essential for the part to function correctly.
Is this the correct fix for my check engine light?
If your vehicle has been properly diagnosed and the fault is traced to the PCM (common codes include P0601, P0606, etc.), then this part is the correct solution. It will not fix issues caused by faulty sensors or other mechanical problems.
Where is the 2006 Isuzu I-350 PCM located?
The Powertrain Control Module on the 2006 Isuzu I-350 is located in the engine compartment, mounted to the firewall on the passenger’s side (RH side).